\u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0637\u0631\u0627\u062d\u06cc \u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0631\u0648\u0627\u0628\u0637 \u0628\u06cc\u0646 \u0646\u0642\u0627\u0637 \u062f\u0627\u062f\u0647 \u062e\u0627\u0635\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0628\u0647 \u062c\u062f\u0627\u0648\u0644 \u0645\u062e\u062a\u0644\u0641 \u062c\u062f\u0627 \u0645\u06cc \u06a9\u0646\u0646\u062f. \u062d\u062a\u06cc \u062f\u0631 \u0645\u0648\u0627\u0631\u062f\u06cc \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646\u060c \u0627\u06cc\u0646 \u0627\u062d\u062a\u0645\u0627\u0644 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0632\u0645\u0627\u0646 \u0647\u0627\u06cc\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0634\u062e\u0635\u06cc \u0628\u062e\u0648\u0627\u0647\u062f \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0627\u0632 \u0628\u06cc\u0634 \u0627\u0632 \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u062f\u0631 \u06cc\u06a9 \u0632\u0645\u0627\u0646 \u0628\u0627\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u062f.<\/p>\n
\u06cc\u06a9 \u0631\u0627\u0647 \u0645\u062a\u062f\u0627\u0648\u0644 \u0628\u0631\u0627\u06cc \u062f\u0633\u062a\u0631\u0633\u06cc \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627 \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u062c\u062f\u0648\u0644 \u062f\u0631 \u06cc\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a \u0632\u0628\u0627\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0633\u0627\u062e\u062a\u0627\u0631\u06cc\u0627\u0641\u062a\u0647 (SQL) \u062a\u0631\u06a9\u06cc\u0628 \u062c\u062f\u0627\u0648\u0644 \u0628\u0627 \u06cc\u06a9 \u0628\u0646\u062f JOIN \u0627\u0633\u062a. \u0628\u0631 \u0627\u0633\u0627\u0633 \u0639\u0645\u0644\u06cc\u0627\u062a \u067e\u06cc\u0648\u0633\u062a\u0646 \u062f\u0631 \u062c\u0628\u0631 \u0631\u0627\u0628\u0637\u0647\u200c\u0627\u06cc\u060c \u06cc\u06a9 \u0628\u0646\u062f JOIN \u062c\u062f\u0627\u0648\u0644 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0631\u0627 \u0628\u0627 \u062a\u0637\u0628\u06cc\u0642 \u0631\u062f\u06cc\u0641\u200c\u0647\u0627\u06cc\u06cc \u062f\u0631 \u0647\u0631 \u062c\u062f\u0648\u0644 \u06a9\u0647 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0645\u0631\u062a\u0628\u0637 \u0647\u0633\u062a\u0646\u062f\u060c \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u0639\u0645\u0648\u0644\u0627\u064b\u060c \u0627\u06cc\u0646 \u0631\u0627\u0628\u0637\u0647 \u0645\u0628\u062a\u0646\u06cc \u0628\u0631 \u06cc\u06a9 \u062c\u0641\u062a \u0633\u062a\u0648\u0646 – \u06cc\u06a9\u06cc \u0627\u0632 \u0647\u0631 \u062c\u062f\u0648\u0644 – \u0627\u0633\u062a \u06a9\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0634\u062a\u0631\u06a9\u06cc \u062f\u0627\u0631\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0648 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc \u0628\u0647 \u0622\u0646 \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n
\u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627 \u0646\u062d\u0648\u0647 \u0633\u0627\u062e\u062a \u0627\u0646\u0648\u0627\u0639 \u067e\u0631\u0633\u200c\u0648\u200c\u062c\u0648\u0647\u0627\u06cc SQL \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0628\u0646\u062f JOIN \u0627\u0633\u062a \u0631\u0627 \u062a\u0634\u0631\u06cc\u062d \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u0628\u0646\u062f\u0647\u0627\u06cc JOIN\u060c \u0646\u062d\u0648\u0647 \u062a\u0631\u06a9\u06cc\u0628 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u062c\u062f\u0627\u0648\u0644\u060c \u0648 \u0646\u062d\u0648\u0647 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0646\u0648\u0634\u062a\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a JOIN \u06a9\u0645\u062a\u0631 \u062e\u0633\u062a\u0647\u200c\u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0634\u062f.<\/p>\n
\u0628\u0631\u0627\u06cc \u067e\u06cc\u0631\u0648\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u060c \u0628\u0647 \u0631\u0627\u06cc\u0627\u0646\u0647 \u0627\u06cc \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u06cc\u062f \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0646\u0648\u0639\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc (RDBMS) \u0627\u0633\u062a \u06a9\u0647 \u0627\u0632 SQL \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u062f\u0633\u062a\u0648\u0631\u0627\u0644\u0639\u0645\u0644 \u0647\u0627 \u0648 \u0645\u062b\u0627\u0644 \u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062d\u06cc\u0637 \u0632\u06cc\u0631 \u062a\u0623\u06cc\u06cc\u062f \u0634\u062f\u0646\u062f:<\/p>\n
\u0627\u06af\u0631 \u0633\u06cc\u0633\u062a\u0645 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 SQL \u0634\u0645\u0627 \u0628\u0631 \u0631\u0648\u06cc \u06cc\u06a9 \u0633\u0631\u0648\u0631 \u0631\u0627\u0647 \u062f\u0648\u0631 \u0627\u062c\u0631\u0627 \u0645\u06cc \u0634\u0648\u062f\u060c SSH \u0631\u0627 \u0627\u0632 \u062f\u0633\u062a\u06af\u0627\u0647 \u0645\u062d\u0644\u06cc \u062e\u0648\u062f \u0628\u0647 \u0633\u0631\u0648\u0631 \u062e\u0648\u062f \u0648\u0627\u0631\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n
ssh sammy@your_server_ip\r\n<\/code><\/pre>\n<\/div>\n\u0633\u067e\u0633 \u0627\u0639\u0644\u0627\u0646 \u0633\u0631\u0648\u0631 MySQL \u0631\u0627 \u0628\u0627\u0632 \u06a9\u0646\u06cc\u062f \u0648 \u0646\u0627\u0645 \u062d\u0633\u0627\u0628 \u06a9\u0627\u0631\u0628\u0631\u06cc MySQL \u062e\u0648\u062f \u0631\u0627 \u062c\u0627\u06cc\u06af\u0632\u06cc\u0646 \u0633\u0627\u0645\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n
\nmysql -u sammy -p\r\n<\/code><\/pre>\n<\/div>\n\u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0647 \u0646\u0627\u0645 joinsDB \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n
\nCREATE DATABASE joinsDB;\r\n<\/code><\/pre>\n<\/div>\n\u0627\u06af\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0627 \u0645\u0648\u0641\u0642\u06cc\u062a \u0627\u06cc\u062c\u0627\u062f \u0634\u0648\u062f\u060c \u062e\u0631\u0648\u062c\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u062f\u0631\u06cc\u0627\u0641\u062a \u062e\u0648\u0627\u0647\u06cc\u062f \u06a9\u0631\u062f:<\/p>\n
\nOutput\r\nQuery OK, 1 row affected (0.01 sec)<\/code><\/pre>\n<\/div>\n\u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u062e\u0627\u0628 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 joinsDB\u060c \u0639\u0628\u0627\u0631\u062a USE \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f:<\/p>\n
\nUSE joinsDB;<\/code><\/pre>\n<\/div>\n\nOutput\r\nDatabase changed<\/code><\/pre>\n<\/div>\n\u067e\u0633 \u0627\u0632 \u0627\u0646\u062a\u062e\u0627\u0628 joinsDB\u060c \u0686\u0646\u062f \u062c\u062f\u0648\u0644 \u062f\u0631\u0648\u0646 \u0622\u0646 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f. \u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u060c \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u06a9\u0627\u0631\u062e\u0627\u0646\u0647\u200c\u0627\u06cc \u0631\u0627 \u0627\u062f\u0627\u0631\u0647 \u0645\u06cc\u200c\u06a9\u0646\u06cc\u062f \u0648 \u062a\u0635\u0645\u06cc\u0645 \u06af\u0631\u0641\u062a\u0647\u200c\u0627\u06cc\u062f \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u062e\u0637 \u062a\u0648\u0644\u06cc\u062f\u060c \u06a9\u0627\u0631\u06a9\u0646\u0627\u0646 \u062a\u06cc\u0645 \u0641\u0631\u0648\u0634 \u0648 \u0641\u0631\u0648\u0634 \u0634\u0631\u06a9\u062a\u200c\u062a\u0627\u0646 \u0631\u0627 \u062f\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 SQL \u0631\u062f\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u062f. \u0634\u0645\u0627 \u0642\u0635\u062f \u062f\u0627\u0631\u06cc\u062f \u0628\u0627 \u0633\u0647 \u062c\u062f\u0648\u0644 \u0634\u0631\u0648\u0639 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u062c\u062f\u0648\u0644 \u0627\u0648\u0644 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0634\u0645\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0634\u0645\u0627 \u062a\u0635\u0645\u06cc\u0645 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u062c\u062f\u0648\u0644 \u0627\u0648\u0644 \u0628\u0647 \u0633\u0647 \u0633\u062a\u0648\u0646 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f:<\/p>\n
\n- \u0634\u0646\u0627\u0633\u0647 \u0645\u062d\u0635\u0648\u0644: \u0634\u0645\u0627\u0631\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u06a9\u0647 \u0628\u0627 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 int \u0628\u06cc\u0627\u0646 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u06a9\u0647 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0634\u0646\u0627\u0633\u0647 \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0631\u0627\u06cc \u0631\u062f\u06cc\u0641 \u0645\u0631\u0628\u0648\u0637\u0647 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f. \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u0628\u0627\u06cc\u062f \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0627\u0634\u062f\u060c \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a UNIQUE \u0628\u0631\u0627\u06cc \u0622\u0646 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f<\/li>\n
- productName: \u0646\u0627\u0645 \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 varchar \u0628\u0627 \u062d\u062f\u0627\u06a9\u062b\u0631 20 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0628\u06cc\u0627\u0646 \u0634\u062f\u0647 \u0627\u0633\u062a.<\/li>\n
- \u0642\u06cc\u0645\u062a: \u0642\u06cc\u0645\u062a \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u0627\u0639\u0634\u0627\u0631\u06cc \u0628\u06cc\u0627\u0646 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0639\u0628\u0627\u0631\u062a \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u062d\u062f\u0627\u06a9\u062b\u0631 \u0628\u0647 \u0637\u0648\u0644 \u0686\u0647\u0627\u0631 \u0631\u0642\u0645 \u0645\u062d\u062f\u0648\u062f \u0645\u06cc \u0634\u0648\u062f \u0648 \u062f\u0648 \u0639\u062f\u062f \u0627\u0632 \u0622\u0646 \u0631\u0642\u0645 \u062f\u0631 \u0633\u0645\u062a \u0631\u0627\u0633\u062a \u0646\u0642\u0637\u0647 \u0627\u0639\u0634\u0627\u0631 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u0646\u062f. \u0628\u0646\u0627\u0628\u0631\u0627\u06cc\u0646\u060c \u0645\u062d\u062f\u0648\u062f\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u062c\u0627\u0632 \u062f\u0631 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0627\u0632 99.99- \u062a\u0627 99.99 \u0645\u06cc \u0631\u0648\u062f<\/li>\n<\/ul>\n
\u062c\u062f\u0648\u0644\u06cc \u0628\u0627 \u0646\u0627\u0645 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0627\u06cc\u0646 \u0633\u0647 \u0633\u062a\u0648\u0646 \u0628\u0627\u0634\u062f:<\/p>\n
\nCREATE TABLE products (\r\nproductID int UNIQUE,\r\nproductName varchar(20),\r\nprice decimal (4,2),\r\nPRIMARY KEY (productID)\r\n);<\/code><\/pre>\n<\/div>\n\u062c\u062f\u0648\u0644 \u062f\u0648\u0645 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0645\u0631\u0628\u0648\u0637 \u0628\u0647 \u06a9\u0627\u0631\u06a9\u0646\u0627\u0646 \u062a\u06cc\u0645 \u0641\u0631\u0648\u0634 \u0634\u0631\u06a9\u062a \u0634\u0645\u0627 \u0631\u0627 \u0630\u062e\u06cc\u0631\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u0634\u0645\u0627 \u062a\u0635\u0645\u06cc\u0645 \u0645\u06cc \u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u062c\u062f\u0648\u0644 \u0646\u06cc\u0632 \u0628\u0647 \u0633\u0647 \u0633\u062a\u0648\u0646 \u0646\u06cc\u0627\u0632 \u062f\u0627\u0631\u062f:<\/p>\n
\n- empID: \u0645\u0634\u0627\u0628\u0647 \u0633\u062a\u0648\u0646 productID\u060c \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0631\u0627\u06cc \u0647\u0631 \u06a9\u0627\u0631\u0645\u0646\u062f \u062f\u0631 \u062a\u06cc\u0645 \u0641\u0631\u0648\u0634 \u062f\u0627\u0631\u062f \u06a9\u0647 \u0628\u0627 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 int \u0628\u06cc\u0627\u0646 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a UNIQUE \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f \u0648 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u062a\u06cc\u0645 \u0639\u0645\u0644 \u0645\u06cc \u06a9\u0646\u062f.<\/li>\n
- empName: \u0646\u0627\u0645 \u0647\u0631 \u0641\u0631\u0648\u0634\u0646\u062f\u0647 \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 varchar \u0628\u0627 \u062d\u062f\u0627\u06a9\u062b\u0631 20 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0628\u06cc\u0627\u0646 \u0645\u06cc \u0634\u0648\u062f.<\/li>\n
- productSpecialty: \u0628\u0647 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u0639\u0636\u0627\u06cc \u062a\u06cc\u0645 \u0641\u0631\u0648\u0634 \u0634\u0645\u0627 \u06cc\u06a9 \u0645\u062d\u0635\u0648\u0644 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062a\u062e\u0635\u0635 \u0627\u062e\u062a\u0635\u0627\u0635 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0622\u0646\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0647\u0631 \u0645\u062d\u0635\u0648\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u0634\u0631\u06a9\u062a \u0634\u0645\u0627 \u062a\u0648\u0644\u06cc\u062f \u0645\u06cc \u06a9\u0646\u062f \u0628\u0641\u0631\u0648\u0634\u0646\u062f\u060c \u0627\u0645\u0627 \u062a\u0645\u0631\u06a9\u0632 \u06a9\u0644\u06cc \u0622\u0646\u0647\u0627 \u0628\u0631 \u0631\u0648\u06cc \u0647\u0631 \u0645\u062d\u0635\u0648\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062a\u062e\u0635\u0635 \u062f\u0627\u0631\u0646\u062f. \u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u062f\u0631 \u062c\u062f\u0648\u0644\u060c \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631 productID \u0647\u0631 \u0645\u062d\u0635\u0648\u0644\u06cc \u0631\u0627 \u06a9\u0647 \u0647\u0631 \u06a9\u0627\u0631\u0645\u0646\u062f \u062f\u0631 \u0622\u0646 \u062a\u062e\u0635\u0635 \u062f\u0627\u0631\u062f \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f.<\/li>\n<\/ul>\n
\u0628\u0631\u0627\u06cc \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u0627\u0632 \u0627\u06cc\u0646\u06a9\u0647 \u0633\u062a\u0648\u0646 productSpecialty \u0641\u0642\u0637 \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627\u0631\u0647 \u0634\u0646\u0627\u0633\u0647 \u0645\u0639\u062a\u0628\u0631 \u0645\u062d\u0635\u0648\u0644 \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc\u200c\u062f\u0647\u062f\u060c \u062a\u0635\u0645\u06cc\u0645 \u0645\u06cc\u200c\u06af\u06cc\u0631\u06cc\u062f \u06cc\u06a9 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc \u0628\u0631\u0627\u06cc \u0633\u062a\u0648\u0646\u06cc \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u0633\u062a\u0648\u0646 productID \u062c\u062f\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0627\u0634\u0627\u0631\u0647 \u062f\u0627\u0631\u062f. \u06cc\u06a9 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a \u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc \u0631\u0648\u0634\u06cc \u0628\u0631\u0627\u06cc \u0628\u06cc\u0627\u0646 \u0631\u0627\u0628\u0637\u0647 \u0628\u06cc\u0646 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0628\u0627 \u0627\u0644\u0632\u0627\u0645 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0631 \u0633\u062a\u0648\u0646\u06cc \u06a9\u0647 \u0631\u0648\u06cc \u0622\u0646 \u0627\u0639\u0645\u0627\u0644 \u0645\u06cc \u0634\u0648\u062f \u0628\u0627\u06cc\u062f \u062f\u0631 \u0633\u062a\u0648\u0646\u06cc \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc \u062f\u0647\u062f \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f. \u062f\u0631 \u0639\u0628\u0627\u0631\u062a CREATE TABLE \u0632\u06cc\u0631\u060c \u0645\u062d\u062f\u0648\u062f\u06cc\u062a FOREIGN KEY \u0645\u0633\u062a\u0644\u0632\u0645 \u0622\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631\u06cc \u06a9\u0647 \u0628\u0647 \u0633\u062a\u0648\u0646 productSpecialty \u062f\u0631 \u062c\u062f\u0648\u0644 team \u0627\u0636\u0627\u0641\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f \u0628\u0627\u06cc\u062f \u062f\u0631 \u0633\u062a\u0648\u0646 productID \u062c\u062f\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f.<\/p>\n
\u0628\u0627 \u0627\u06cc\u0646 \u0633\u0647 \u0633\u062a\u0648\u0646 \u062c\u062f\u0648\u0644\u06cc \u0628\u0647 \u0646\u0627\u0645 \u062a\u06cc\u0645 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n
\nCREATE TABLE team (\r\nempID int UNIQUE,\r\nempName varchar(20),\r\nproductSpecialty int,\r\nPRIMARY KEY (empID),\r\nFOREIGN KEY (productSpecialty) REFERENCES products (productID)\r\n);\r\n<\/code><\/pre>\n<\/div>\n\u0622\u062e\u0631\u06cc\u0646 \u062c\u062f\u0648\u0644\u06cc \u06a9\u0647 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u06cc\u062f\u060c \u0631\u06a9\u0648\u0631\u062f\u0647\u0627\u06cc \u0641\u0631\u0648\u0634 \u0634\u0631\u06a9\u062a \u0631\u0627 \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f. \u0627\u06cc\u0646 \u062c\u062f\u0648\u0644 \u062f\u0627\u0631\u0627\u06cc \u0686\u0647\u0627\u0631 \u0633\u062a\u0648\u0646 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f:<\/p>\n
\n- saleID: \u0634\u0628\u06cc\u0647 \u0628\u0647 productID \u0648 empIDcolumns\u060c \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0634\u0645\u0627\u0631\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u0628\u0631\u0627\u06cc \u0647\u0631 \u0641\u0631\u0648\u0634 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 int \u0628\u06cc\u0627\u0646 \u0634\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0647\u0645\u0686\u0646\u06cc\u0646 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a UNIQUE \u0627\u0633\u062a \u062a\u0627 \u0628\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u0641\u0631\u0648\u0634 \u0639\u0645\u0644 \u06a9\u0646\u062f<\/li>\n
- \u0645\u0642\u062f\u0627\u0631: \u062a\u0639\u062f\u0627\u062f \u0648\u0627\u062d\u062f\u0647\u0627\u06cc \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u0641\u0631\u0648\u062e\u062a\u0647 \u0634\u062f\u0647 \u0628\u0627 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 int \u0628\u06cc\u0627\u0646 \u0645\u06cc \u0634\u0648\u062f<\/li>\n
- \u0634\u0646\u0627\u0633\u0647 \u0645\u062d\u0635\u0648\u0644: \u0634\u0645\u0627\u0631\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u0645\u062d\u0635\u0648\u0644 \u0641\u0631\u0648\u062e\u062a\u0647 \u0634\u062f\u0647 \u0628\u0647 \u0635\u0648\u0631\u062a int \u0628\u06cc\u0627\u0646 \u0645\u06cc \u0634\u0648\u062f<\/li>\n
- \u0641\u0631\u0648\u0634\u0646\u062f\u0647: \u0634\u0645\u0627\u0631\u0647 \u0634\u0646\u0627\u0633\u0627\u06cc\u06cc \u06a9\u0627\u0631\u0645\u0646\u062f\u06cc \u06a9\u0647 \u0641\u0631\u0648\u0634 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a<\/li>\n<\/ul>\n
\u0645\u0627\u0646\u0646\u062f \u0633\u062a\u0648\u0646 productSpecialty \u0627\u0632 \u062c\u062f\u0648\u0644 \u062a\u06cc\u0645\u060c \u0634\u0645\u0627 \u062a\u0635\u0645\u06cc\u0645 \u0645\u06cc\u200c\u06af\u06cc\u0631\u06cc\u062f \u06a9\u0647 \u0645\u062d\u062f\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc FOREIGN KEY \u0631\u0627 \u0628\u0631\u0627\u06cc \u0647\u0631 \u062f\u0648 \u0633\u062a\u0648\u0646 productID \u0648 salesperson \u0627\u0639\u0645\u0627\u0644 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0647\u0627 \u0641\u0642\u0637 \u062d\u0627\u0648\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u062f\u0631 \u0633\u062a\u0648\u0646 productID \u062c\u062f\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0648 \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc empID \u062c\u062f\u0648\u0644 \u062a\u06cc\u0645 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u0646\u062f.<\/p>\n
\u0628\u0627 \u0627\u06cc\u0646 \u0686\u0647\u0627\u0631 \u0633\u062a\u0648\u0646 \u062c\u062f\u0648\u0644\u06cc \u0628\u0647 \u0646\u0627\u0645 \u0641\u0631\u0648\u0634 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u062f:<\/p>\n
\nCREATE TABLE sales (\r\nsaleID int UNIQUE,\r\nquantity int,\r\nproductID int,\r\nsalesperson int,\r\nPRIMARY KEY (saleID),\r\nFOREIGN KEY (productID) REFERENCES products (productID),\r\nFOREIGN KEY (salesperson) REFERENCES team (empID)\r\n);<\/code><\/pre>\n<\/div>\n\u067e\u0633 \u0627\u0632 \u0622\u0646\u060c \u0628\u0627 \u0627\u062c\u0631\u0627\u06cc \u0639\u0645\u0644\u06cc\u0627\u062a INSERT INTO \u0632\u06cc\u0631\u060c \u062c\u062f\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0631\u0627 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n
\nINSERT INTO products\r\nVALUES\r\n(1, 'widget', 18.99),\r\n(2, 'gizmo', 14.49),\r\n(3, 'thingamajig', 39.99),\r\n(4, 'doodad', 11.50),\r\n(5, 'whatzit', 29.99);<\/code><\/pre>\n<\/div>\n\u0633\u067e\u0633 \u062c\u062f\u0648\u0644 \u062a\u06cc\u0645 \u0631\u0627 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n
\nINSERT INTO team\r\nVALUES\r\n(1, 'Florence', 1),\r\n(2, 'Mary', 4),\r\n(3, 'Diana', 3),\r\n(4, 'Betty', 2);<\/code><\/pre>\n<\/div>\n\u062c\u062f\u0648\u0644 \u0641\u0631\u0648\u0634 \u0631\u0627 \u0628\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0646\u06cc\u0632 \u0628\u0627\u0631\u06af\u06cc\u0631\u06cc \u06a9\u0646\u06cc\u062f:<\/p>\n
\nINSERT INTO sales\r\nVALUES\r\n(1, 7, 1, 1),\r\n(2, 10, 5, 4),\r\n(3, 8, 2, 4),\r\n(4, 1, 3, 3),\r\n(5, 5, 1, 3);<\/code><\/pre>\n<\/div>\n\u062f\u0631 \u0646\u0647\u0627\u06cc\u062a\u060c \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0634\u0631\u06a9\u062a \u0634\u0645\u0627 \u0628\u062f\u0648\u0646 \u062f\u062e\u0627\u0644\u062a \u06a9\u0633\u06cc \u062f\u0631 \u062a\u06cc\u0645 \u0641\u0631\u0648\u0634 \u0634\u0645\u0627\u060c \u0686\u0646\u062f \u0641\u0631\u0648\u0634 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f. \u0628\u0631\u0627\u06cc \u062b\u0628\u062a \u0627\u06cc\u0646 \u0641\u0631\u0648\u0634\u200c\u0647\u0627\u060c \u0639\u0645\u0644\u06cc\u0627\u062a \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f \u062a\u0627 \u0633\u0647 \u0631\u062f\u06cc\u0641 \u0628\u0647 \u062c\u062f\u0648\u0644 \u0641\u0631\u0648\u0634 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u0642\u062f\u0627\u0631\u06cc \u0628\u0631\u0627\u06cc \u0633\u062a\u0648\u0646 \u0641\u0631\u0648\u0634\u0646\u062f\u0647 \u0648\u062c\u0648\u062f \u0646\u062f\u0627\u0631\u062f:<\/p>\n
\nINSERT INTO sales (saleID, quantity, productID)\r\nVALUES\r\n(6, 1, 5),\r\n(7, 3, 1),\r\n(8, 4, 5);<\/code><\/pre>\n<\/div>\n\u0628\u0627 \u0627\u06cc\u0646 \u06a9\u0627\u0631\u060c \u0634\u0645\u0627 \u0622\u0645\u0627\u062f\u0647 \u0647\u0633\u062a\u06cc\u062f \u062a\u0627 \u0628\u0642\u06cc\u0647 \u0631\u0627\u0647\u0646\u0645\u0627 \u0631\u0627 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f \u0648 \u0634\u0631\u0648\u0639 \u0628\u0647 \u06cc\u0627\u062f\u06af\u06cc\u0631\u06cc \u0646\u062d\u0648\u0647 \u0627\u062a\u0635\u0627\u0644 \u062c\u062f\u0627\u0648\u0644 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u062f\u0631 SQL \u06a9\u0646\u06cc\u062f.<\/p>\n
\u062f\u0631\u06a9 \u0646\u062d\u0648 \u0639\u0645\u0644\u06cc\u0627\u062a JOIN<\/h5>\n
\u0628\u0646\u062f\u0647\u0627\u06cc JOIN \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u062f\u0631 \u0627\u0646\u0648\u0627\u0639 \u062f\u0633\u062a\u0648\u0631\u0627\u062a SQL \u0627\u0632 \u062c\u0645\u0644\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a UPDATE \u0648 DELETE \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0628\u0631\u0627\u06cc \u0627\u0647\u062f\u0627\u0641 \u062a\u0635\u0648\u06cc\u0631\u06cc\u060c \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627 \u0627\u0632 \u067e\u0631\u0633\u200c\u0648\u062c\u0648\u0647\u0627\u06cc SELECT \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f \u062a\u0627 \u0646\u062d\u0648\u0647 \u0639\u0645\u0644\u06a9\u0631\u062f \u0628\u0646\u062f\u0647\u0627\u06cc JOIN \u0631\u0627 \u0646\u0634\u0627\u0646 \u062f\u0647\u0646\u062f.<\/p>\n
\u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0646\u062d\u0648 \u06a9\u0644\u06cc \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a SELECT \u0631\u0627 \u0646\u0634\u0627\u0646 \u0645\u06cc \u062f\u0647\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a JOIN \u0627\u0633\u062a:<\/p>\n
\nSELECT table1.column1, table2.column2\r\nFROM table1 JOIN table2\r\nON search_condition;<\/code><\/pre>\n<\/div>\n\u0627\u06cc\u0646 \u0646\u062d\u0648 \u0628\u0627 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a SELECT \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f \u06a9\u0647 \u062f\u0648 \u0633\u062a\u0648\u0646 \u0627\u0632 \u062f\u0648 \u062c\u062f\u0648\u0644 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0646\u062f\u0647\u0627\u06cc JOIN \u0645\u062d\u062a\u0648\u06cc\u0627\u062a \u0628\u06cc\u0634 \u0627\u0632 \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0631\u0627 \u0628\u0627 \u0647\u0645 \u0645\u0642\u0627\u06cc\u0633\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u0627\u06cc\u0646 \u0646\u062d\u0648 \u0645\u062b\u0627\u0644\u06cc \u0645\u0634\u062e\u0635 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u0647\u0631 \u0633\u062a\u0648\u0646 \u0627\u0632 \u06a9\u062f\u0627\u0645 \u062c\u062f\u0648\u0644 \u0627\u0646\u062a\u062e\u0627\u0628 \u0634\u0648\u062f\u060c \u0642\u0628\u0644 \u0627\u0632 \u0646\u0627\u0645 \u0633\u062a\u0648\u0646 \u0628\u0627 \u0646\u0627\u0645 \u062c\u062f\u0648\u0644 \u0648 \u0646\u0642\u0637\u0647. \u0627\u06cc\u0646 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u0645\u0631\u062c\u0639 \u0633\u062a\u0648\u0646 \u06a9\u0627\u0645\u0644\u0627\u064b \u0648\u0627\u062c\u062f \u0634\u0631\u0627\u06cc\u0637 \u0634\u0646\u0627\u062e\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
\u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u0632 \u0627\u0631\u062c\u0627\u0639\u0627\u062a \u0633\u062a\u0648\u0646 \u06a9\u0627\u0645\u0644\u0627\u064b \u0648\u0627\u062c\u062f \u0634\u0631\u0627\u06cc\u0637 \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646\u0647\u0627 \u062f\u0631 \u0647\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f\u060c \u0627\u0645\u0627 \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0627\u0632 \u0646\u0638\u0631 \u0641\u0646\u06cc \u0641\u0642\u0637 \u062f\u0631 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0636\u0631\u0648\u0631\u06cc \u0627\u0633\u062a \u06a9\u0647 \u062f\u0648 \u0633\u062a\u0648\u0646 \u0627\u0632 \u062c\u062f\u0627\u0648\u0644 \u0645\u062e\u062a\u0644\u0641 \u06cc\u06a9 \u0646\u0627\u0645 \u062f\u0627\u0631\u0646\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0647\u0646\u06af\u0627\u0645 \u06a9\u0627\u0631 \u0628\u0627 \u0686\u0646\u062f\u06cc\u0646 \u062c\u062f\u0648\u0644\u060c \u062a\u0645\u0631\u06cc\u0646 \u062e\u0648\u0628\u06cc \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u0646\u062f \u0628\u0647 \u062e\u0648\u0627\u0646\u062f\u0646 \u0648 \u062f\u0631\u06a9 \u0639\u0645\u0644\u06cc\u0627\u062a JOIN \u06a9\u0645\u06a9 \u06a9\u0646\u0646\u062f.<\/p>\n
\u0628\u0639\u062f \u0627\u0632 SELECT \u0639\u0628\u0627\u0631\u062a FROM \u0645\u06cc \u0622\u06cc\u062f. \u062f\u0631 \u0647\u0631 \u067e\u0631\u0633 \u0648 \u062c\u0648\u060c \u0639\u0628\u0627\u0631\u062a FROM \u062c\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0634\u0645\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0628\u0627\u06cc\u062f \u062c\u0633\u062a\u062c\u0648 \u0634\u0648\u0646\u062f \u062a\u0627 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0648\u0631\u062f \u0646\u0638\u0631 \u0631\u0627 \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u06cc\u062f\u060c \u062a\u0639\u0631\u06cc\u0641 \u0645\u06cc \u06a9\u0646\u06cc\u062f. \u062a\u0646\u0647\u0627 \u062a\u0641\u0627\u0648\u062a \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0639\u0628\u0627\u0631\u062a FROM \u0634\u0627\u0645\u0644 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0627 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc JOIN \u0627\u0632 \u0647\u0645 \u062c\u062f\u0627 \u0634\u062f\u0647 \u0627\u0646\u062f. \u06cc\u06a9 \u0631\u0627\u0647 \u0645\u0641\u06cc\u062f \u0628\u0631\u0627\u06cc \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0646\u0648\u0634\u062a\u0646 \u067e\u0631\u0633\u200c\u0648\u200c\u062c\u0648\u0647\u0627 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u062e\u0627\u0637\u0631 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0627\u0632 \u06a9\u062f\u0627\u0645 \u062c\u062f\u0648\u0644\u06cc \u06a9\u0647 \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u062f \u067e\u0631\u0633\u200c\u0648\u062c\u0648 \u06a9\u0646\u06cc\u062f\u060c \u0628\u0627\u0632\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0634\u0648\u0646\u062f.<\/p>\n
\u067e\u0633 \u0627\u0632 \u0622\u0646 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a ON \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u062a\u0648\u0636\u06cc\u062d \u0645\u06cc \u062f\u0647\u062f \u0686\u06af\u0648\u0646\u0647 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0628\u0627\u06cc\u062f \u062f\u0648 \u062c\u062f\u0648\u0644 \u0631\u0627 \u0628\u0627 \u062a\u0639\u0631\u06cc\u0641 \u06cc\u06a9 \u0634\u0631\u0637 \u062c\u0633\u062a\u062c\u0648 \u0628\u0647 \u0647\u0645 \u0628\u067e\u06cc\u0648\u0646\u062f\u062f. \u0634\u0631\u0637 \u062c\u0633\u062a\u062c\u0648 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u06af\u0632\u0627\u0631\u0647 \u06cc\u0627 \u0639\u0628\u0627\u0631\u062a \u0627\u0633\u062a \u06a9\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u00ab\u062f\u0631\u0633\u062a\u00bb\u060c \u00ab\u0646\u0627\u062f\u0631\u0633\u062a\u00bb \u06cc\u0627 \u00ab\u0646\u0627\u0634\u0646\u0627\u062e\u062a\u0647\u00bb \u0628\u0648\u062f\u0646 \u06cc\u06a9 \u0634\u0631\u0637 \u062e\u0627\u0635 \u0631\u0627 \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f \u06a9\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a JOIN \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u062a\u0631\u06a9\u06cc\u0628 \u0647\u0631 \u0633\u0637\u0631 \u0627\u0632 \u0647\u0631 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0648 \u0633\u067e\u0633 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0646 \u0647\u0631 \u0631\u062f\u06cc\u0641\u06cc \u06a9\u0647 \u0634\u0631\u0637 \u062c\u0633\u062a\u062c\u0648 \u062f\u0631 \u0639\u0628\u0627\u0631\u062a ON \u0628\u0631\u0627\u06cc \u0622\u0646\u0647\u0627 “\u062f\u0631\u0633\u062a” \u0627\u0631\u0632\u06cc\u0627\u0628\u06cc \u0645\u06cc \u0634\u0648\u062f\u060c \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f.<\/p>\n
\u062f\u0631 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a ON\u060c \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0645\u0646\u0637\u0642\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06cc\u06a9 \u0634\u0631\u0637 \u062c\u0633\u062a\u062c\u0648 \u0631\u0627 \u0634\u0627\u0645\u0644 \u0634\u0648\u062f \u06a9\u0647 \u0622\u0632\u0645\u0627\u06cc\u0634 \u06a9\u0646\u062f \u0622\u06cc\u0627 \u062f\u0648 \u0633\u062a\u0648\u0646 \u0645\u0631\u062a\u0628\u0637 – \u0645\u0627\u0646\u0646\u062f \u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc \u06cc\u06a9 \u062c\u062f\u0648\u0644 \u0648 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc \u0628\u0647 \u0622\u0646 \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc \u062f\u0647\u062f – \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u0628\u0631\u0627\u0628\u0631 \u0647\u0633\u062a\u0646\u062f \u06cc\u0627 \u062e\u06cc\u0631. \u0627\u06cc\u0646 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 equi join \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u06cc \u0627\u0632 \u0646\u062d\u0648\u0647 \u067e\u06cc\u0648\u0633\u062a\u0646 equi \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0645\u0646\u0637\u0628\u0642 \u0627\u0632 \u0686\u0646\u062f\u06cc\u0646 \u062c\u062f\u0648\u0644\u060c \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0632\u06cc\u0631 \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u06a9\u0647 \u0642\u0628\u0644\u0627 \u0627\u0636\u0627\u0641\u0647 \u06a9\u0631\u062f\u0647 \u0627\u06cc\u062f \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u0639\u0628\u0627\u0631\u062a \u0628\u0647 \u062c\u062f\u0627\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0648 \u062a\u06cc\u0645 \u0628\u0627 \u06cc\u06a9 \u0634\u0631\u0637 \u062c\u0633\u062a\u062c\u0648 \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f \u06a9\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062a\u0637\u0628\u06cc\u0642 \u0631\u0627 \u062f\u0631 \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc productID \u0648 productSpecialty \u0645\u0631\u0628\u0648\u0637\u0647 \u0622\u0646\u0647\u0627 \u0622\u0632\u0645\u0627\u06cc\u0634 \u0645\u06cc \u06a9\u0646\u062f. \u0633\u067e\u0633 \u0646\u0627\u0645 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u0639\u0636\u0627\u06cc \u062a\u06cc\u0645 \u0641\u0631\u0648\u0634\u060c \u0646\u0627\u0645 \u0647\u0631 \u0645\u062d\u0635\u0648\u0644\u06cc \u06a9\u0647 \u062f\u0631 \u0622\u0646 \u062a\u062e\u0635\u0635 \u062f\u0627\u0631\u0646\u062f \u0648 \u0642\u06cc\u0645\u062a \u0622\u0646 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n
\n\nSELECT team.empName, products.productName, products.price\r\nFROM products JOIN team\r\nON products.productID = team.productSpecialty<\/code><\/pre>\n<\/div>\n\u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0645\u062c\u0645\u0648\u0639\u0647 \u0646\u062a\u0627\u06cc\u062c \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0627\u0633\u062a:<\/p>\n<\/div>\n
\n\nOutput\r\n+----------+-------------+-------+\r\n| empName | productName | price |\r\n+----------+-------------+-------+\r\n| Florence | widget | 18.99 |\r\n| Mary | doodad | 11.50 |\r\n| Diana | thingamajig | 39.99 |\r\n| Betty | gizmo | 14.49 |\r\n+----------+-------------+-------+\r\n4 rows in set (0.00 sec)<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 SQL \u0627\u06cc\u0646 \u062c\u062f\u0627\u0648\u0644 \u0631\u0627 \u0628\u0631\u0627\u06cc \u062a\u0634\u06a9\u06cc\u0644 \u0627\u06cc\u0646 \u0645\u062c\u0645\u0648\u0639\u0647 \u0646\u062a\u06cc\u062c\u0647 \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0627\u062c\u0627\u0632\u0647 \u062f\u0647\u06cc\u062f \u0646\u06af\u0627\u0647\u06cc \u062f\u0642\u06cc\u0642\u200c\u062a\u0631 \u0628\u0647 \u0627\u06cc\u0646 \u0641\u0631\u0622\u06cc\u0646\u062f \u0628\u06cc\u0646\u062f\u0627\u0632\u06cc\u0645. \u0628\u0631\u0627\u06cc \u0631\u0648\u0634\u0646 \u0628\u0648\u062f\u0646\u060c \u0645\u0648\u0627\u0631\u062f \u0632\u06cc\u0631 \u062f\u0642\u06cc\u0642\u0627\u064b \u0622\u0646 \u0686\u06cc\u0632\u06cc \u0646\u06cc\u0633\u062a \u06a9\u0647 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0645\u062f\u06cc\u0631\u06cc\u062a \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0631\u0627 \u0628\u0647 \u0647\u0645 \u0645\u062a\u0635\u0644 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f \u06a9\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a JOIN \u0631\u0627 \u0645\u0627\u0646\u0646\u062f \u0631\u0648\u06cc\u0647 \u0627\u06cc \u062f\u0631 \u0646\u0638\u0631 \u0628\u06af\u06cc\u0631\u06cc\u062f.<\/p>\n
\u0627\u0628\u062a\u062f\u0627\u060c \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0647\u0631 \u0633\u0637\u0631 \u0648 \u0633\u062a\u0648\u0646 \u062f\u0631 \u062c\u062f\u0648\u0644 \u0627\u0648\u0644 \u062f\u0631 \u0639\u0628\u0627\u0631\u062a FROM\u060c \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0631\u0627 \u0686\u0627\u067e \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n
\nJOIN Process Example\r\n+-----------+-------------+-------+\r\n| productID | productName | price |\r\n+-----------+-------------+-------+\r\n| 1 | widget | 18.99 |\r\n| 2 | gizmo | 14.49 |\r\n| 3 | thingamajig | 39.99 |\r\n| 4 | doodad | 11.50 |\r\n| 5 | whatzit | 29.99 |\r\n+-----------+-------------+-------+<\/code><\/pre>\n\u0633\u067e\u0633\u060c \u0628\u0647 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u0627\u06cc\u0646 \u0631\u062f\u06cc\u0641\u200c\u0647\u0627 \u0646\u06af\u0627\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0628\u0627 \u0647\u0631 \u0631\u062f\u06cc\u0641\u06cc \u0627\u0632 \u062c\u062f\u0648\u0644 \u062a\u06cc\u0645 \u06a9\u0647 productSpecialty \u0622\u0646 \u0628\u0631\u0627\u0628\u0631 \u0628\u0627 \u0645\u0642\u062f\u0627\u0631 productID \u062f\u0631 \u0622\u0646 \u0633\u0637\u0631 \u0627\u0633\u062a\u060c \u0645\u0637\u0627\u0628\u0642\u062a \u0645\u06cc\u200c\u062f\u0647\u062f:<\/div>\n\n\nJOIN Process Example\r\n+-----------+-------------+-------+-------+----------+------------------+\r\n| productID | productName | price | empID | empName | productSpecialty |\r\n+-----------+-------------+-------+-------+----------+------------------+\r\n| 1 | widget | 18.99 | 1 | Florence | 1 |\r\n| 2 | gizmo | 14.49 | 4 | Betty | 2 |\r\n| 3 | thingamajig | 39.99 | 3 | Diana | 3 |\r\n| 4 | doodad | 11.50 | 2 | Mary | 4 |\r\n| 5 | whatzit | 29.99 | | | |\r\n+-----------+-------------+-------+-------+----------+------------------+<\/code><\/pre>\n\u0633\u067e\u0633\u060c \u0633\u0637\u0631\u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0631\u0646\u062f \u0631\u0627 \u0628\u0631\u0634 \u0645\u06cc\u200c\u062f\u0647\u062f \u0648 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u062a\u0631\u062a\u06cc\u0628 \u0622\u0646\u0647\u0627 \u062f\u0631 \u0639\u0628\u0627\u0631\u062a SELECT \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0634\u062e\u0635 \u0646\u0634\u062f\u0647 \u0628\u0648\u062f\u0646\u062f \u062d\u0630\u0641 \u0645\u06cc\u200c\u06a9\u0646\u062f\u060c \u0631\u062f\u06cc\u0641\u200c\u0647\u0627 \u0631\u0627 \u0645\u062a\u0648\u0633\u0644 \u0645\u06cc\u200c\u06a9\u0646\u062f \u0648 \u0645\u062c\u0645\u0648\u0639\u0647 \u0646\u062a\u0627\u06cc\u062c \u0646\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f:<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\nJOIN Process Example\r\n+----------+-------------+-------+\r\n| empName | productName | price |\r\n+----------+-------------+-------+\r\n| Florence | widget | 18.99 |\r\n| Mary | doodad | 11.50 |\r\n| Diana | thingamajig | 39.99 |\r\n| Betty | gizmo | 14.49 |\r\n+----------+-------------+-------+\r\n4 rows in set (0.00 sec)<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u062a\u0635\u0627\u0644\u0627\u062a equi \u0631\u0627\u06cc\u062c \u062a\u0631\u06cc\u0646 \u0631\u0627\u0647 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u062c\u062f\u0627\u0648\u0644 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u0632 \u0633\u0627\u06cc\u0631 \u0639\u0645\u0644\u06af\u0631\u0647\u0627\u06cc SQL \u0645\u0627\u0646\u0646\u062f <\u060c >\u060c LIKE\u060c NOT LIKE \u06cc\u0627 \u062d\u062a\u06cc BETWEEN \u062f\u0631 \u0634\u0631\u0627\u06cc\u0637 \u062c\u0633\u062a\u062c\u0648\u06cc \u0639\u0628\u0627\u0631\u062a ON \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0631\u062f. \u0627\u0645\u0627 \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0634\u0631\u0627\u06cc\u0637 \u062c\u0633\u062a\u062c\u0648\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647\u200c\u062a\u0631 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u0627\u06cc\u0646\u06a9\u0647 \u0686\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc\u06cc \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0646\u062a\u0627\u06cc\u062c \u0638\u0627\u0647\u0631 \u0645\u06cc\u200c\u0634\u0648\u0646\u062f \u0631\u0627 \u062f\u0634\u0648\u0627\u0631 \u0645\u06cc\u200c\u06a9\u0646\u062f.<\/p>\n
\u062f\u0631 \u0628\u06cc\u0634\u062a\u0631 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0647\u0627\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u062f \u062c\u062f\u0648\u0644\u200c\u0647\u0627 \u0631\u0627 \u0628\u0627 \u0647\u0631 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0627\u06cc \u0627\u0632 \u0633\u062a\u0648\u0646\u200c\u0647\u0627 \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0622\u0646\u0686\u0647 \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f SQL \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0646\u0648\u0639 \u062f\u0627\u062f\u0647 \u00abJOIN \u0648\u0627\u062c\u062f \u0634\u0631\u0627\u06cc\u0637\u00bb \u0646\u0627\u0645\u06cc\u062f\u0647 \u0645\u06cc\u200c\u0634\u0648\u062f\u060c \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f. \u0627\u06cc\u0646 \u0628\u0647 \u0627\u06cc\u0646 \u0645\u0639\u0646\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646 \u0633\u062a\u0648\u0646\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0639\u062f\u062f\u06cc \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u0646\u06af\u0647 \u0645\u06cc\u200c\u062f\u0627\u0631\u062f\u060c \u0628\u0647 \u0647\u0631 \u0633\u062a\u0648\u0646 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0639\u062f\u062f\u06cc \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u0646\u06af\u0647 \u0645\u06cc\u200c\u062f\u0627\u0631\u062f\u060c \u0628\u062f\u0648\u0646 \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0646 \u0627\u0646\u0648\u0627\u0639 \u062f\u0627\u062f\u0647\u200c\u0647\u0627\u06cc \u0645\u0631\u0628\u0648\u0637\u0647\u060c \u0645\u0644\u062d\u0642 \u06a9\u0631\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0645\u06cc \u062a\u0648\u0627\u0646 \u0647\u0631 \u0633\u062a\u0648\u0646\u06cc \u0631\u0627 \u06a9\u0647 \u062f\u0627\u0631\u0627\u06cc \u0645\u0642\u0627\u062f\u06cc\u0631 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0627\u0633\u062a \u0628\u0647 \u0647\u0631 \u0633\u062a\u0648\u0646 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u062f\u0627\u062f\u0647 \u06a9\u0627\u0631\u0627\u06a9\u062a\u0631 \u0631\u0627 \u062f\u0631 \u062e\u0648\u062f \u0646\u06af\u0647 \u0645\u06cc \u062f\u0627\u0631\u062f\u060c \u0645\u0644\u062d\u0642 \u06a9\u0631\u062f. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u0642\u0628\u0644\u0627\u064b \u06af\u0641\u062a\u0647 \u0634\u062f\u060c \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0628\u0631\u0627\u06cc \u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0645\u0637\u0627\u0628\u0642\u062a \u0645\u06cc\u200c\u062f\u0647\u06cc\u062f\u060c \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc\u06cc \u0647\u0633\u062a\u0646\u062f \u06a9\u0647 \u0646\u0634\u0627\u0646\u200c\u062f\u0647\u0646\u062f\u0647 \u0631\u0627\u0628\u0637\u0647 \u0628\u06cc\u0646 \u062c\u062f\u0627\u0648\u0644 \u0647\u0633\u062a\u0646\u062f\u060c \u0645\u0627\u0646\u0646\u062f \u06cc\u06a9 \u06a9\u0644\u06cc\u062f \u062e\u0627\u0631\u062c\u06cc \u0648 \u06a9\u0644\u06cc\u062f \u0627\u0635\u0644\u06cc \u062c\u062f\u0648\u0644 \u062f\u06cc\u06af\u0631\u06cc \u06a9\u0647 \u0628\u0647 \u0622\u0646 \u0627\u0631\u062c\u0627\u0639 \u0645\u06cc\u200c\u062f\u0647\u062f.<\/p>\n
\u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u067e\u06cc\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc\u200c\u0647\u0627\u06cc SQL \u0628\u0647 \u0634\u0645\u0627 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u0646\u062f \u0628\u0647 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc\u06cc \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f \u06a9\u0647 \u0646\u0627\u0645 \u06cc\u06a9\u0633\u0627\u0646\u06cc \u062f\u0627\u0631\u0646\u062f \u0628\u0627 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc USING \u0628\u0647 \u062c\u0627\u06cc ON. \u0646\u062d\u0648 \u0686\u0646\u06cc\u0646 \u0639\u0645\u0644\u06cc\u0627\u062a\u06cc \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0628\u0647 \u0627\u06cc\u0646 \u0635\u0648\u0631\u062a \u0628\u0627\u0634\u062f:<\/p>\n
\nSELECT table1.column1, table2.column2\r\nFROM table1 JOIN table2\r\nUSING (related_column);<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u062f\u0631 \u0627\u06cc\u0646 \u0646\u062d\u0648 \u0645\u062b\u0627\u0644\u060c \u0639\u0628\u0627\u0631\u062a USING \u0645\u0639\u0627\u062f\u0644 ON table1.related_column = table2.related_column; \u0627\u0633\u062a.<\/p>\n
\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0641\u0631\u0648\u0634 \u0648 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0633\u062a\u0648\u0646\u06cc \u0628\u0647 \u0646\u0627\u0645 productID \u062f\u0627\u0631\u0646\u062f\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0628\u0627 \u062a\u0637\u0628\u06cc\u0642 \u0627\u06cc\u0646 \u0633\u062a\u0648\u0646 \u0647\u0627 \u0628\u0627 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc USING \u0628\u0647 \u0622\u0646\u0647\u0627 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f. \u062f\u0633\u062a\u0648\u0631 \u0632\u06cc\u0631 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u0645\u06cc \u062f\u0647\u062f \u0648 saleID \u0647\u0631 \u0641\u0631\u0648\u0634\u060c \u062a\u0639\u062f\u0627\u062f \u0648\u0627\u062d\u062f\u0647\u0627\u06cc \u0641\u0631\u0648\u062e\u062a\u0647 \u0634\u062f\u0647\u060c \u0646\u0627\u0645 \u0647\u0631 \u0645\u062d\u0635\u0648\u0644 \u0641\u0631\u0648\u062e\u062a\u0647 \u0634\u062f\u0647 \u0648 \u0642\u06cc\u0645\u062a \u0622\u0646 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0647\u0645\u0686\u0646\u06cc\u0646\u060c \u0645\u062c\u0645\u0648\u0639\u0647 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0642\u062f\u0627\u0631 saleID \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0635\u0639\u0648\u062f\u06cc \u0645\u0631\u062a\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f:<\/p>\n
\nSELECT sales.saleID, sales.quantity, products.productName, products.price\r\nFROM sales JOIN products\r\nUSING (productID)\r\nORDER BY saleID;<\/code><\/pre>\n<\/div>\n<\/div>\n\n\nOutput\r\n+--------+----------+-------------+-------+\r\n| saleID | quantity | productName | price |\r\n+--------+----------+-------------+-------+\r\n| 1 | 7 | widget | 18.99 |\r\n| 2 | 10 | whatzit | 29.99 |\r\n| 3 | 8 | gizmo | 14.49 |\r\n| 4 | 1 | thingamajig | 39.99 |\r\n| 5 | 5 | widget | 18.99 |\r\n| 6 | 1 | whatzit | 29.99 |\r\n| 7 | 3 | widget | 18.99 |\r\n| 8 | 4 | whatzit | 29.99 |\r\n+--------+----------+-------------+-------+\r\n8 rows in set (0.00 sec)<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u0647\u0646\u06af\u0627\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u062c\u062f\u0627\u0648\u0644\u060c \u0633\u06cc\u0633\u062a\u0645 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0631\u062f\u06cc\u0641\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u06af\u0648\u0646\u0647\u200c\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u0645\u06cc\u200c\u06a9\u0646\u062f \u06a9\u0647 \u067e\u06cc\u0634\u200c\u0628\u06cc\u0646\u06cc \u0622\u0633\u0627\u0646 \u0646\u06cc\u0633\u062a. \u06af\u0646\u062c\u0627\u0646\u062f\u0646 \u0639\u0628\u0627\u0631\u062a ORDER BY \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0645\u0646\u0633\u062c\u0645\u200c\u062a\u0631 \u0648 \u062e\u0648\u0627\u0646\u062f\u0646\u06cc\u200c\u062a\u0631 \u06a9\u0631\u062f\u0646 \u0645\u062c\u0645\u0648\u0639\u0647\u200c\u0647\u0627\u06cc \u0646\u062a\u0627\u06cc\u062c \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n
\u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u0628\u06cc\u0634 \u0627\u0632 \u062f\u0648 \u062c\u062f\u0648\u0644<\/h5>\n
\u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u0632\u0645\u0627\u0646 \u0647\u0627\u06cc\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u062f \u06a9\u0647 \u0634\u0645\u0627 \u0646\u06cc\u0627\u0632 \u0628\u0647 \u062a\u0631\u06a9\u06cc\u0628 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0628\u06cc\u0634 \u0627\u0632 \u062f\u0648 \u062c\u062f\u0648\u0644 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f. \u0634\u0645\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0647\u0631 \u062a\u0639\u062f\u0627\u062f \u062c\u062f\u0648\u0644 \u0631\u0627 \u0628\u0627 \u062c\u0627\u0633\u0627\u0632\u06cc \u0628\u0646\u062f\u0647\u0627\u06cc JOIN \u062f\u0631 \u0633\u0627\u06cc\u0631 \u0628\u0646\u062f\u0647\u0627\u06cc JOIN \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0628\u067e\u06cc\u0648\u0646\u062f\u06cc\u062f. \u0633\u06cc\u0646\u062a\u06a9\u0633 \u0632\u06cc\u0631 \u0646\u0645\u0648\u0646\u0647 \u0627\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u0647\u0646\u06af\u0627\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u0633\u0647 \u062c\u062f\u0648\u0644 \u0686\u06af\u0648\u0646\u0647 \u0628\u0647 \u0646\u0638\u0631 \u0645\u06cc \u0631\u0633\u062f:<\/p>\n
\nSELECT table1.column1, table2.column2, table3.column3\r\nFROM table1 JOIN table2\r\nON table1.related_column = table2.related_column\r\nJOIN table3\r\nON table3.related_column = table1_or_2.related_column;<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u0639\u0628\u0627\u0631\u062a FROM \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u062f\u0633\u062a\u0648\u0631\u06cc \u0628\u0627 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u062c\u062f\u0648\u0644 1 \u0628\u0627 \u062c\u062f\u0648\u0644 2 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f. \u067e\u0633 \u0627\u0632 \u0627\u06cc\u0646 \u0628\u0646\u062f ON \u067e\u06cc\u0648\u0633\u062a\u0646\u060c \u06cc\u06a9 JOIN \u062f\u0648\u0645 \u0631\u0627 \u0634\u0631\u0648\u0639 \u0645\u06cc \u06a9\u0646\u062f \u06a9\u0647 \u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u0648\u0644\u06cc\u0647 \u062c\u062f\u0627\u0648\u0644 \u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0647 \u0631\u0627 \u0628\u0627 \u062c\u062f\u0648\u0644 3 \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc \u06a9\u0646\u062f. \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u062c\u062f\u0648\u0644 \u0633\u0648\u0645 \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0633\u062a\u0648\u0646\u06cc \u062f\u0631 \u062c\u062f\u0648\u0644 \u0627\u0648\u0644 \u06cc\u0627 \u062f\u0648\u0645 \u0645\u062a\u0635\u0644 \u06a9\u0631\u062f.<\/p>\n
\u0628\u0631\u0627\u06cc \u0645\u062b\u0627\u0644\u060c \u062a\u0635\u0648\u0631 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0645\u06cc \u062e\u0648\u0627\u0647\u06cc\u062f \u0628\u062f\u0627\u0646\u06cc\u062f \u0641\u0631\u0648\u0634 \u06a9\u0627\u0631\u0645\u0646\u062f\u062a\u0627\u0646 \u0686\u0642\u062f\u0631 \u062f\u0631\u0622\u0645\u062f \u062f\u0627\u0634\u062a\u0647 \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0641\u0642\u0637 \u0628\u0647 \u0633\u0648\u0627\u0628\u0642 \u0641\u0631\u0648\u0634 \u0627\u0647\u0645\u06cc\u062a \u0645\u06cc \u062f\u0647\u06cc\u062f \u06a9\u0647 \u0634\u0627\u0645\u0644 \u0641\u0631\u0648\u0634 \u0645\u062d\u0635\u0648\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u06a9\u0627\u0631\u0645\u0646\u062f \u062f\u0631 \u0622\u0646 \u062a\u062e\u0635\u0635 \u062f\u0627\u0631\u062f.<\/p>\n
\u0628\u0631\u0627\u06cc \u0628\u0647 \u062f\u0633\u062a \u0622\u0648\u0631\u062f\u0646 \u0627\u06cc\u0646 \u0627\u0637\u0644\u0627\u0639\u0627\u062a\u060c \u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u06a9\u0648\u0626\u0631\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0628\u0627 \u067e\u06cc\u0648\u0633\u062a\u0646 \u062c\u062f\u0627\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0648 \u0641\u0631\u0648\u0634 \u0628\u0647 \u06cc\u06a9\u062f\u06cc\u06af\u0631 \u0628\u0627 \u062a\u0637\u0628\u06cc\u0642 \u0633\u062a\u0648\u0646 \u0647\u0627\u06cc productID \u0645\u0631\u0628\u0648\u0637\u0647 \u0622\u0646\u0647\u0627 \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f. \u0633\u067e\u0633 \u062c\u062f\u0648\u0644 \u062a\u06cc\u0645 \u0631\u0627 \u0628\u0627 \u062a\u0637\u0628\u06cc\u0642 \u0647\u0631 \u0631\u062f\u06cc\u0641 \u062f\u0631 JOIN \u0627\u0648\u0644\u06cc\u0647 \u0628\u0647 \u0633\u062a\u0648\u0646 productSpecialty \u062e\u0648\u062f \u0628\u0647 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0627\u0648\u0644 \u0645\u06cc\u200c\u067e\u06cc\u0648\u0646\u062f\u062f. \u0633\u067e\u0633 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0646\u062a\u0627\u06cc\u062c \u0631\u0627 \u0628\u0627 \u06cc\u06a9 \u0628\u0646\u062f WHERE \u0641\u06cc\u0644\u062a\u0631 \u0645\u06cc \u06a9\u0646\u062f \u062a\u0627 \u0641\u0642\u0637 \u0631\u062f\u06cc\u0641 \u0647\u0627\u06cc\u06cc \u0631\u0627 \u06a9\u0647 \u06a9\u0627\u0631\u0645\u0646\u062f \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u0646\u06cc\u0632 \u0634\u062e\u0635\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0641\u0631\u0648\u0634 \u0631\u0627 \u0627\u0646\u062c\u0627\u0645 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0634\u0627\u0645\u0644 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a ORDER BY \u0627\u0633\u062a \u06a9\u0647 \u0646\u062a\u0627\u06cc\u062c \u0646\u0647\u0627\u06cc\u06cc \u0631\u0627 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0635\u0639\u0648\u062f\u06cc \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0642\u062f\u0627\u0631 \u062f\u0631 \u0633\u062a\u0648\u0646 saleID \u0645\u0631\u062a\u0628 \u0645\u06cc \u06a9\u0646\u062f:<\/p>\n
\nSELECT sales.saleID,\r\nteam.empName,\r\nproducts.productName,\r\n(sales.quantity * products.price)\r\nFROM products JOIN sales\r\nUSING (productID)\r\nJOIN team\r\nON team.productSpecialty = sales.productID\r\nWHERE team.empID = sales.salesperson\r\nORDER BY sales.saleID;\r\n<\/code><\/pre>\n<\/div>\n<\/div>\n\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u062f\u0631 \u0645\u06cc\u0627\u0646 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u0641\u0647\u0631\u0633\u062a \u0634\u062f\u0647 \u062f\u0631 \u0639\u0628\u0627\u0631\u062a SELECT \u0639\u0628\u0627\u0631\u062a\u06cc \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f \u06a9\u0647 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0645\u0648\u062c\u0648\u062f \u062f\u0631 \u0633\u062a\u0648\u0646 \u0645\u0642\u062f\u0627\u0631 \u062c\u062f\u0648\u0644 \u0641\u0631\u0648\u0634 \u0631\u0627 \u062f\u0631 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0642\u06cc\u0645\u062a \u062c\u062f\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0636\u0631\u0628 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0627\u06cc\u0646 \u0645\u0642\u0627\u062f\u06cc\u0631 \u0631\u0627 \u062f\u0631 \u0631\u062f\u06cc\u0641\u200c\u0647\u0627\u06cc \u0647\u0645\u0633\u0627\u0646 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f:<\/div>\n\n\nOutput\r\n+--------+----------+-------------+-----------------------------------+\r\n| saleID | empName | productName | (sales.quantity * products.price) |\r\n+--------+----------+-------------+-----------------------------------+\r\n| 1 | Florence | widget | 132.93 |\r\n| 3 | Betty | gizmo | 115.92 |\r\n| 4 | Diana | thingamajig | 39.99 |\r\n+--------+----------+-------------+-----------------------------------+\r\n3 rows in set (0.00 sec)<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u0647\u0645\u0647 \u0646\u0645\u0648\u0646\u0647\u200c\u0647\u0627 \u062a\u0627 \u06a9\u0646\u0648\u0646 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0646\u0648\u0639 \u0639\u0628\u0627\u0631\u062a JOIN \u0647\u0633\u062a\u0646\u062f: JOIN \u062f\u0627\u062e\u0644\u06cc. \u0628\u0631\u0627\u06cc \u0645\u0631\u0648\u0631\u06cc \u0628\u0631 \u067e\u06cc\u0648\u0633\u062a\u200c\u0647\u0627\u06cc \u062f\u0627\u062e\u0644\u06cc\u060c \u067e\u06cc\u0648\u0633\u062a\u0646\u200c\u0647\u0627\u06cc \u0628\u06cc\u0631\u0648\u0646\u06cc \u0648 \u062a\u0641\u0627\u0648\u062a \u0622\u0646\u200c\u0647\u0627\u060c \u0628\u0647 \u062e\u0648\u0627\u0646\u062f\u0646 \u0628\u062e\u0634 \u0628\u0639\u062f\u06cc \u0627\u062f\u0627\u0645\u0647 \u062f\u0647\u06cc\u062f.<\/p>\n
\u0639\u0645\u0644\u06cc\u0627\u062a JOIN \u062f\u0627\u062e\u0644\u06cc \u062f\u0631 \u0645\u0642\u0627\u0628\u0644 \u0628\u06cc\u0631\u0648\u0646\u06cc<\/h2>\n
\u062f\u0648 \u0646\u0648\u0639 \u0627\u0635\u0644\u06cc \u0627\u0632 \u062c\u0645\u0644\u0647 \u0647\u0627\u06cc JOIN \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f: \u0627\u062a\u0635\u0627\u0644\u0627\u062a \u062f\u0627\u062e\u0644\u06cc \u0648 \u0627\u062a\u0635\u0627\u0644\u0627\u062a OUTER. \u062a\u0641\u0627\u0648\u062a \u0628\u06cc\u0646 \u0627\u06cc\u0646 \u062f\u0648 \u0646\u0648\u0639 \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0622\u0646\u0647\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0646\u062f. \u0639\u0645\u0644\u06cc\u0627\u062a \u067e\u06cc\u0648\u0633\u062a\u0646 \u062f\u0627\u062e\u0644\u06cc \u0641\u0642\u0637 \u0631\u062f\u06cc\u0641\u200c\u0647\u0627\u06cc \u0645\u0646\u0637\u0628\u0642 \u0631\u0627 \u0627\u0632 \u0647\u0631 \u062c\u062f\u0648\u0644 \u0645\u062a\u0635\u0644 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f\u060c \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u0627\u062a\u0635\u0627\u0644\u0627\u062a OUTER \u0647\u0631 \u062f\u0648 \u0631\u062f\u06cc\u0641 \u0645\u0646\u0637\u0628\u0642 \u0648 \u063a\u06cc\u0631 \u0645\u0646\u0637\u0628\u0642 \u0631\u0627 \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u0646\u062f.<\/p>\n
\u0633\u06cc\u0646\u062a\u06a9\u0633\u200c\u0647\u0627 \u0648 \u067e\u0631\u0633\u200c\u0648\u200c\u062c\u0648\u0647\u0627\u06cc \u0646\u0645\u0648\u0646\u0647 \u0627\u0632 \u0628\u062e\u0634\u200c\u0647\u0627\u06cc \u0642\u0628\u0644\u06cc\u060c \u0647\u0645\u06af\u06cc \u0627\u0632 \u0639\u0628\u0627\u0631\u062a\u200c\u0647\u0627\u06cc INNER JOIN \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u0646\u062f\u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u0647\u06cc\u0686\u200c\u06a9\u062f\u0627\u0645 \u0627\u0632 \u0622\u0646\u0647\u0627 \u0634\u0627\u0645\u0644 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc INNER \u0646\u0628\u0627\u0634\u062f. \u0627\u06a9\u062b\u0631 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0647\u0627\u06cc SQL \u0647\u0631 \u0639\u0628\u0627\u0631\u062a JOIN \u0631\u0627 \u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u06cc\u06a9 \u067e\u06cc\u0648\u0633\u062a\u0646 INNER \u062f\u0631 \u0646\u0638\u0631 \u0645\u06cc \u06af\u06cc\u0631\u0646\u062f\u060c \u0645\u06af\u0631 \u0627\u06cc\u0646\u06a9\u0647 \u0628\u0647 \u0635\u0631\u0627\u062d\u062a \u062e\u0644\u0627\u0641 \u0622\u0646 \u0630\u06a9\u0631 \u0634\u062f\u0647 \u0628\u0627\u0634\u062f.<\/p>\n
\u06a9\u0648\u0626\u0631\u06cc \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u06cc\u06a9 JOIN \u0628\u06cc\u0631\u0648\u0646\u06cc \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0686\u0646\u062f\u06cc\u0646 \u062c\u062f\u0648\u0644 \u0631\u0627 \u062a\u0631\u06a9\u06cc\u0628 \u0645\u06cc \u06a9\u0646\u0646\u062f \u0648 \u0647\u0631 \u0631\u062f\u06cc\u0641\u06cc \u0631\u0627 \u06a9\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u062f\u0627\u0631\u0646\u062f \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0631\u062f\u06cc\u0641 \u0647\u0627\u06cc\u06cc \u06a9\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0631\u0646\u062f \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u06cc\u0627\u0641\u062a\u0646 \u0631\u062f\u06cc\u0641 \u0647\u0627\u06cc\u06cc \u0628\u0627 \u0645\u0642\u0627\u062f\u06cc\u0631 \u06af\u0645\u0634\u062f\u0647 \u06cc\u0627 \u062f\u0631 \u0645\u0648\u0627\u0631\u062f\u06cc \u06a9\u0647 \u062a\u0637\u0627\u0628\u0642 \u062c\u0632\u0626\u06cc \u0642\u0627\u0628\u0644 \u0642\u0628\u0648\u0644 \u0627\u0633\u062a \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f.<\/p>\n
\u0639\u0645\u0644\u06cc\u0627\u062a \u0627\u062a\u0635\u0627\u0644 \u0628\u06cc\u0631\u0648\u0646\u06cc \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0633\u0647 \u0646\u0648\u0639 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f: \u0627\u062a\u0635\u0627\u0644\u0627\u062a LEFT OUTER\u060c \u0627\u062a\u0635\u0627\u0644\u0627\u062a OUTER RIGHT \u0648 \u0627\u062a\u0635\u0627\u0644\u0627\u062a FULL OUTER. \u0627\u062a\u0635\u0627\u0644\u0627\u062a LEFT OUTER\u060c \u06cc\u0627 \u0641\u0642\u0637 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u0686\u067e\u060c \u0647\u0631 \u0631\u062f\u06cc\u0641 \u0645\u0646\u0637\u0628\u0642 \u0627\u0632 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0647\u060c \u0648 \u0647\u0645\u0686\u0646\u06cc\u0646 \u0647\u0631 \u0631\u062f\u06cc\u0641 \u063a\u06cc\u0631 \u0645\u0646\u0637\u0628\u0642 \u0627\u0632 \u062c\u062f\u0648\u0644 “\u0686\u067e” \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u062f\u0631 \u0632\u0645\u06cc\u0646\u0647 \u0639\u0645\u0644\u06cc\u0627\u062a JOIN\u060c \u062c\u062f\u0648\u0644 “\u0686\u067e” \u0647\u0645\u06cc\u0634\u0647 \u0627\u0648\u0644\u06cc\u0646 \u062c\u062f\u0648\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u0628\u0639\u062f \u0627\u0632 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc FROM \u0648 \u062f\u0631 \u0633\u0645\u062a \u0686\u067e \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc JOIN \u0645\u0634\u062e\u0635 \u0645\u06cc \u0634\u0648\u062f. \u0628\u0647 \u0647\u0645\u06cc\u0646 \u062a\u0631\u062a\u06cc\u0628\u060c \u062c\u062f\u0648\u0644 \u00ab\u0631\u0627\u0633\u062a\u00bb \u062f\u0648\u0645\u06cc\u0646 \u062c\u062f\u0648\u0644 \u06cc\u0627 \u0647\u0645\u0627\u0646 \u062c\u062f\u0648\u0644\u06cc \u0627\u0633\u062a \u06a9\u0647 \u0628\u0644\u0627\u0641\u0627\u0635\u0644\u0647 \u0628\u0639\u062f \u0627\u0632 JOIN \u0645\u06cc\u200c\u0622\u06cc\u062f\u060c \u0648 \u067e\u06cc\u0648\u0633\u062a\u0646 RIGHT OUTER \u0647\u0631 \u0631\u062f\u06cc\u0641 \u0645\u0646\u0637\u0628\u0642 \u0627\u0632 \u062c\u062f\u0627\u0648\u0644 \u0628\u0647 \u0647\u0645 \u067e\u06cc\u0648\u0633\u062a\u0647 \u0631\u0627 \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0647\u0631 \u0633\u0637\u0631 \u063a\u06cc\u0631 \u0645\u0646\u0637\u0628\u0642 \u0627\u0632 \u062c\u062f\u0648\u0644 \u00ab\u0631\u0627\u0633\u062a\u00bb \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. FULL OUTER JOIN \u0647\u0631 \u0633\u0637\u0631 \u0631\u0627 \u0627\u0632 \u0647\u0631 \u062f\u0648 \u062c\u062f\u0648\u0644\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u0633\u0637\u0631\u0647\u0627\u06cc\u06cc \u0627\u0632 \u0647\u0631 \u06cc\u06a9 \u0627\u0632 \u062c\u062f\u0648\u0644\u200c\u0647\u0627 \u06a9\u0647 \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0631\u0646\u062f\u060c \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f.<\/p>\n
\u0628\u0631\u0627\u06cc \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0646 \u0627\u06cc\u0646\u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0627\u06cc\u0646 \u0627\u0646\u0648\u0627\u0639 \u0645\u062e\u062a\u0644\u0641 \u0628\u0646\u062f JOIN \u062f\u0627\u062f\u0647 \u0647\u0627 \u0631\u0627 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f\u060c \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627\u06cc \u0645\u062b\u0627\u0644 \u0632\u06cc\u0631 \u0631\u0627 \u0631\u0648\u06cc \u062c\u062f\u0627\u0648\u0644 \u0627\u06cc\u062c\u0627\u062f \u0634\u062f\u0647 \u062f\u0631 \u0628\u062e\u0634 \u0641\u0631\u0639\u06cc \u0627\u062a\u0635\u0627\u0644 \u0628\u0647 \u0648 \u0631\u0627\u0647 \u0627\u0646\u062f\u0627\u0632\u06cc \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0646\u0645\u0648\u0646\u0647 \u0642\u0628\u0644\u06cc \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f. \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627 \u06cc\u06a9\u0633\u0627\u0646 \u0647\u0633\u062a\u0646\u062f \u0628\u0627 \u0627\u06cc\u0646 \u062a\u0641\u0627\u0648\u062a \u06a9\u0647 \u0647\u0631 \u06a9\u062f\u0627\u0645 \u0646\u0648\u0639 \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0627\u0632 \u0639\u0628\u0627\u0631\u062a JOIN \u0631\u0627 \u0645\u0634\u062e\u0635 \u0645\u06cc \u06a9\u0646\u0646\u062f.<\/p>\n
\u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u0627\u0648\u0644 \u0627\u0632 \u06cc\u06a9 JOIN \u062f\u0627\u062e\u0644\u06cc \u0628\u0631\u0627\u06cc \u062a\u0631\u06a9\u06cc\u0628 \u062c\u062f\u0627\u0648\u0644 \u0641\u0631\u0648\u0634 \u0648 \u062a\u06cc\u0645 \u0628\u0627 \u062a\u0637\u0628\u06cc\u0642 \u0633\u062a\u0648\u0646\u200c\u0647\u0627\u06cc \u0641\u0631\u0648\u0634\u0646\u062f\u0647 \u0648 empID \u0645\u0631\u0628\u0648\u0637\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc\u200c\u06a9\u0646\u062f. \u0628\u0627\u0632 \u0647\u0645\u060c \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc INNER \u0636\u0645\u0646\u06cc \u0627\u0633\u062a \u062d\u062a\u06cc \u0627\u06af\u0631 \u0628\u0647 \u0635\u0631\u0627\u062d\u062a \u062f\u0631 \u0622\u0646 \u06af\u0646\u062c\u0627\u0646\u062f\u0647 \u0646\u0634\u062f\u0647 \u0628\u0627\u0634\u062f:<\/p>\n
\nSELECT sales.saleID, sales.quantity, sales.salesperson, team.empName \r\nFROM sales JOIN team\r\nON sales.salesperson = team.empID;<\/code><\/pre>\n<\/div>\n<\/div>\n\u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u06a9\u0648\u0626\u0631\u06cc \u0627\u0632 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a JOIN \u062f\u0627\u062e\u0644\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u0641\u0642\u0637 \u0631\u062f\u06cc\u0641 \u0647\u0627\u06cc \u0645\u0646\u0637\u0628\u0642 \u0631\u0627 \u0627\u0632 \u0647\u0631 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f:<\/div>\n\n\nOutput\r\n+--------+----------+-------------+----------+\r\n| saleID | quantity | salesperson | empName |\r\n+--------+----------+-------------+----------+\r\n| 1 | 7 | 1 | Florence |\r\n| 4 | 1 | 3 | Diana |\r\n| 5 | 5 | 3 | Diana |\r\n| 2 | 10 | 4 | Betty |\r\n| 3 | 8 | 4 | Betty |\r\n+--------+----------+-------------+----------+\r\n5 rows in set (0.00 sec)<\/pre>\n<\/div>\n<\/div>\n\u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0627\u0632 \u06a9\u0648\u0626\u0631\u06cc \u0628\u0647 \u062c\u0627\u06cc \u0622\u0646 \u0627\u0632 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a LEFT OUTER JOIN \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f:<\/div>\n\n\nSELECT sales.saleID, sales.quantity, sales.salesperson, team.empName\r\nFROM sales LEFT OUTER JOIN team\r\nON sales.salesperson = team.empID;<\/code><\/pre>\n<\/div>\n<\/div>\n\u0645\u0627\u0646\u0646\u062f \u06a9\u0648\u0626\u0631\u06cc \u0642\u0628\u0644\u06cc\u060c \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f \u0646\u06cc\u0632 \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u0645\u0646\u0637\u0628\u0642 \u0631\u0627 \u0627\u0632 \u0647\u0631 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f. \u0628\u0627 \u0627\u06cc\u0646 \u062d\u0627\u0644\u060c \u0647\u0631 \u0645\u0642\u062f\u0627\u0631 \u0631\u0627 \u0627\u0632 \u062c\u062f\u0648\u0644 \u00ab\u0633\u0645\u062a \u0686\u067e\u00bb (\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0648\u0631\u062f\u060c \u0641\u0631\u0648\u0634) \u06a9\u0647 \u062f\u0631 \u062c\u062f\u0648\u0644 \u00ab\u0631\u0627\u0633\u062a\u00bb (\u062a\u06cc\u0645) \u0645\u0637\u0627\u0628\u0642\u062a \u0646\u062f\u0627\u0631\u062f\u060c \u0628\u0631\u0645\u06cc\u200c\u06af\u0631\u062f\u0627\u0646\u062f. \u0627\u0632 \u0622\u0646\u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0627\u06cc\u0646 \u0633\u0637\u0631\u0647\u0627 \u062f\u0631 \u062c\u062f\u0648\u0644 \u0633\u0645\u062a \u0686\u067e \u062f\u0627\u0631\u0627\u06cc \u0645\u0646\u0637\u0628\u0642 \u062f\u0631 \u0633\u0645\u062a \u0631\u0627\u0633\u062a \u0646\u06cc\u0633\u062a\u0646\u062f\u060c \u0645\u0642\u0627\u062f\u06cc\u0631 \u0646\u0627\u0645\u062a\u0646\u0627\u0633\u0628 \u0628\u0647 \u0635\u0648\u0631\u062a NULL \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f\u0647 \u0645\u06cc \u0634\u0648\u0646\u062f:<\/div>\n\n\nOutput\r\n+--------+----------+-------------+----------+\r\n| saleID | quantity | salesperson | empName |\r\n+--------+----------+-------------+----------+\r\n| 1 | 7 | 1 | Florence |\r\n| 2 | 10 | 4 | Betty |\r\n| 3 | 8 | 4 | Betty |\r\n| 4 | 1 | 3 | Diana |\r\n| 5 | 5 | 3 | Diana |\r\n| 6 | 1 | NULL | NULL |\r\n| 7 | 3 | NULL | NULL |\r\n| 8 | 4 | NULL | NULL |\r\n+--------+----------+-------------+----------+\r\n8 rows in set (0.00 sec)<\/code><\/pre>\n<\/div>\n<\/div>\n\u0627\u06cc\u0646 \u0646\u0633\u062e\u0647 \u0628\u0639\u062f\u06cc \u067e\u0631\u0633 \u0648 \u062c\u0648 \u062f\u0631 \u0639\u0648\u0636 \u0627\u0632 \u06cc\u06a9 \u0639\u0628\u0627\u0631\u062a RIGHT JOIN \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f:<\/div>\n\n\nSELECT sales.saleID, sales.quantity, sales.salesperson, team.empName\r\nFROM sales RIGHT JOIN team\r\nON sales.salesperson = team.empID;<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0639\u0628\u0627\u0631\u062a JOIN \u0627\u06cc\u0646 \u06a9\u0648\u0626\u0631\u06cc \u0628\u0647 \u062c\u0627\u06cc RIGHT OUTER JOIN\u060c RIGHT JOIN \u0631\u0627 \u0645\u06cc \u062e\u0648\u0627\u0646\u062f. \u0647\u0645\u0627\u0646\u0637\u0648\u0631 \u06a9\u0647 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc INNER \u0628\u0631\u0627\u06cc \u062a\u0639\u06cc\u06cc\u0646 \u06cc\u06a9 \u0628\u0646\u062f INNER JOIN \u0644\u0627\u0632\u0645 \u0646\u06cc\u0633\u062a\u060c OUTER \u0647\u0631 \u0632\u0645\u0627\u0646 \u06a9\u0647 \u0634\u0645\u0627 LEFT JOIN \u06cc\u0627 RIGHT JOIN \u0631\u0627 \u0645\u06cc \u0646\u0648\u06cc\u0633\u06cc\u062f\u060c \u0628\u0647 \u0637\u0648\u0631 \u0636\u0645\u0646\u06cc \u0645\u0639\u0646\u0627 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n
\u0646\u062a\u06cc\u062c\u0647 \u0627\u06cc\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0628\u0631\u0639\u06a9\u0633 \u0645\u0648\u0631\u062f \u0642\u0628\u0644\u06cc \u0627\u0633\u062a\u060c \u0632\u06cc\u0631\u0627 \u0647\u0631 \u0633\u0637\u0631 \u0631\u0627 \u0627\u0632 \u0647\u0631 \u062f\u0648 \u062c\u062f\u0648\u0644 \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f\u060c \u0627\u0645\u0627 \u0641\u0642\u0637 \u0633\u0637\u0631\u0647\u0627\u06cc \u0628\u06cc \u0647\u0645\u062a\u0627 \u0631\u0627 \u0627\u0632 \u062c\u062f\u0648\u0644 “\u0631\u0627\u0633\u062a” \u0628\u0631\u0645\u06cc \u06af\u0631\u062f\u0627\u0646\u062f:<\/p>\n
\nOutput\r\n+--------+----------+-------------+----------+\r\n| saleID | quantity | salesperson | empName |\r\n+--------+----------+-------------+----------+\r\n| 1 | 7 | 1 | Florence |\r\n| NULL | NULL | NULL | Mary |\r\n| 4 | 1 | 3 | Diana |\r\n| 5 | 5 | 3 | Diana |\r\n| 2 | 10 | 4 | Betty |\r\n| 3 | 8 | 4 | Betty |\r\n+--------+----------+-------------+----------+\r\n6 rows in set (0.00 sec)<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u062c\u062f\u0648\u0644 \u0648 \u0633\u062a\u0648\u0646 \u062f\u0631 \u0628\u0646\u062f\u0647\u0627\u06cc JOIN<\/p>\n
\u0647\u0646\u06af\u0627\u0645 \u067e\u06cc\u0648\u0633\u062a\u0646 \u0628\u0647 \u062c\u062f\u0627\u0648\u0644 \u0628\u0627 \u0646\u0627\u0645 \u0647\u0627\u06cc \u0637\u0648\u0644\u0627\u0646\u06cc \u06cc\u0627 \u0628\u0633\u06cc\u0627\u0631 \u062a\u0648\u0635\u06cc\u0641\u06cc\u060c \u0646\u0648\u0634\u062a\u0646 \u0686\u0646\u062f\u06cc\u0646 \u0645\u0631\u062c\u0639 \u0633\u062a\u0648\u0646 \u06a9\u0627\u0645\u0644\u0627\u064b \u0648\u0627\u062c\u062f \u0634\u0631\u0627\u06cc\u0637 \u0645\u0645\u06a9\u0646 \u0627\u0633\u062a \u062e\u0633\u062a\u0647 \u06a9\u0646\u0646\u062f\u0647 \u0634\u0648\u062f. \u0628\u0631\u0627\u06cc \u062c\u0644\u0648\u06af\u06cc\u0631\u06cc \u0627\u0632 \u0627\u06cc\u0646 \u0627\u0645\u0631\u060c \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u06af\u0627\u0647\u06cc \u0627\u0648\u0642\u0627\u062a \u0627\u0631\u0627\u0626\u0647 \u0646\u0627\u0645 \u062c\u062f\u0648\u0644 \u06cc\u0627 \u0633\u062a\u0648\u0646 \u0628\u0627 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u06a9\u0648\u062a\u0627\u0647\u200c\u062a\u0631 \u0631\u0627 \u0645\u0641\u06cc\u062f \u0645\u06cc\u200c\u062f\u0627\u0646\u0646\u062f.<\/p>\n
\u0645\u06cc \u062a\u0648\u0627\u0646\u06cc\u062f \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0631\u0627 \u062f\u0631 SQL \u0628\u0627 \u062f\u0646\u0628\u0627\u0644 \u06a9\u0631\u062f\u0646 \u0647\u0631 \u062a\u0639\u0631\u06cc\u0641 \u062c\u062f\u0648\u0644 \u062f\u0631 \u0639\u0628\u0627\u0631\u062a FROM \u0628\u0627 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc AS \u0627\u0646\u062c\u0627\u0645 \u062f\u0647\u06cc\u062f \u0648 \u0633\u067e\u0633 \u0622\u0646 \u0631\u0627 \u0628\u0627 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u0627\u0646\u062a\u062e\u0627\u0628\u06cc \u062e\u0648\u062f \u062f\u0646\u0628\u0627\u0644 \u06a9\u0646\u06cc\u062f:<\/p>\n
\nSELECT t1.column1, t2.column2\r\nFROM table1 AS t1 JOIN table2 AS t2\r\nON t1.related_column = t2.related_column;<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u0627\u06cc\u0646 \u0646\u062d\u0648 \u0645\u062b\u0627\u0644 \u0627\u0632 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u062f\u0631 \u0639\u0628\u0627\u0631\u062a SELECT \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f\u060c \u062d\u062a\u06cc \u0627\u06af\u0631 \u0622\u0646\u0647\u0627 \u062a\u0627 \u0642\u0628\u0644 \u0627\u0632 \u0639\u0628\u0627\u0631\u062a FROM \u062a\u0639\u0631\u06cc\u0641 \u0646\u0634\u062f\u0647 \u0628\u0627\u0634\u0646\u062f. \u0627\u06cc\u0646 \u0627\u0645\u06a9\u0627\u0646 \u067e\u0630\u06cc\u0631 \u0627\u0633\u062a \u0632\u06cc\u0631\u0627 \u062f\u0631 \u067e\u0631\u0633 \u0648 \u062c\u0648\u0647\u0627\u06cc SQL\u060c \u062a\u0631\u062a\u06cc\u0628 \u0627\u062c\u0631\u0627 \u0628\u0627 \u0639\u0628\u0627\u0631\u062a FROM \u0634\u0631\u0648\u0639 \u0645\u06cc \u0634\u0648\u062f. \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u06af\u06cc\u062c \u06a9\u0646\u0646\u062f\u0647 \u0628\u0627\u0634\u062f\u060c \u0627\u0645\u0627 \u06cc\u0627\u062f\u0622\u0648\u0631\u06cc \u0627\u06cc\u0646 \u0645\u0648\u0636\u0648\u0639 \u0648 \u0641\u06a9\u0631 \u06a9\u0631\u062f\u0646 \u0628\u0647 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u0642\u0628\u0644 \u0627\u0632 \u0634\u0631\u0648\u0639 \u0646\u0648\u0634\u062a\u0646 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0645\u0641\u06cc\u062f \u0627\u0633\u062a.<\/p>\n
\u0628\u0647 \u0639\u0646\u0648\u0627\u0646 \u0645\u062b\u0627\u0644\u060c \u06a9\u0648\u0626\u0631\u06cc \u0632\u06cc\u0631 \u0631\u0627 \u0627\u062c\u0631\u0627 \u06a9\u0646\u06cc\u062f \u06a9\u0647 \u0628\u0647 \u062c\u062f\u0627\u0648\u0644 \u0641\u0631\u0648\u0634 \u0648 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0645\u06cc \u067e\u06cc\u0648\u0646\u062f\u062f \u0648 \u0628\u0647 \u062a\u0631\u062a\u06cc\u0628 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 S \u0648 P \u0631\u0627 \u062f\u0631 \u0627\u062e\u062a\u06cc\u0627\u0631 \u0622\u0646\u0647\u0627 \u0642\u0631\u0627\u0631 \u0645\u06cc \u062f\u0647\u062f:<\/p>\n
\nSELECT S.saleID, S.quantity,\r\nP.productName,\r\n(P.price * S.quantity) AS revenue \r\nFROM sales AS S JOIN products AS P\r\nUSING (productID);<\/code><\/pre>\n<\/div>\n<\/div>\n\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 \u06cc\u06a9 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u0633\u0648\u0645\u060c \u062f\u0631\u0622\u0645\u062f\u060c \u0628\u0631\u0627\u06cc \u062d\u0627\u0635\u0644 \u0636\u0631\u0628 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062f\u0631 \u0633\u062a\u0648\u0646 \u0645\u0642\u062f\u0627\u0631 \u062c\u062f\u0648\u0644 \u0641\u0631\u0648\u0634 \u0648 \u0645\u0642\u0627\u062f\u06cc\u0631 \u062a\u0637\u0628\u06cc\u0642 \u0622\u0646\u0647\u0627 \u0627\u0632 \u0633\u062a\u0648\u0646 \u0642\u06cc\u0645\u062a \u062c\u062f\u0648\u0644 \u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc \u06a9\u0646\u062f. \u0627\u06cc\u0646 \u0641\u0642\u0637 \u062f\u0631 \u0646\u0627\u0645 \u0633\u062a\u0648\u0646 \u062f\u0631 \u0645\u062c\u0645\u0648\u0639\u0647 \u0646\u062a\u0627\u06cc\u062c \u0645\u0634\u0647\u0648\u062f \u0627\u0633\u062a\u060c \u0627\u0645\u0627 \u0627\u0631\u0627\u0626\u0647 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u0645\u0627\u0646\u0646\u062f \u0627\u06cc\u0646 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0631\u0627\u06cc \u0627\u0646\u062a\u0642\u0627\u0644 \u0645\u0639\u0646\u06cc \u06cc\u0627 \u0647\u062f\u0641 \u062f\u0631 \u067e\u0634\u062a \u0646\u062a\u0627\u06cc\u062c \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0645\u0641\u06cc\u062f \u0628\u0627\u0634\u062f:<\/div>\n\n\nOutput\r\n+--------+----------+-------------+---------+\r\n| saleID | quantity | productName | revenue |\r\n+--------+----------+-------------+---------+\r\n| 1 | 7 | widget | 132.93 |\r\n| 2 | 10 | whatzit | 299.90 |\r\n| 3 | 8 | gizmo | 115.92 |\r\n| 4 | 1 | thingamajig | 39.99 |\r\n| 5 | 5 | widget | 94.95 |\r\n| 6 | 1 | whatzit | 29.99 |\r\n| 7 | 3 | widget | 56.97 |\r\n| 8 | 4 | whatzit | 119.96 |\r\n+--------+----------+-------------+---------+\r\n8 rows in set (0.00 sec)<\/code><\/pre>\n<\/div>\n<\/div>\n\u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0647\u0646\u06af\u0627\u0645 \u062a\u0639\u0631\u06cc\u0641 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631\u060c \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc AS \u0627\u0632 \u0646\u0638\u0631 \u0641\u0646\u06cc \u0627\u062e\u062a\u06cc\u0627\u0631\u06cc \u0627\u0633\u062a. \u0645\u062b\u0627\u0644 \u0642\u0628\u0644\u06cc \u0631\u0627 \u0646\u06cc\u0632 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0627\u06cc\u0646\u06af\u0648\u0646\u0647 \u0646\u0648\u0634\u062a:<\/div>\n\n\nSELECT S.saleID, S.quantity, P.productName, (P.price * S.quantity) revenue \r\nFROM sales S JOIN products P\r\nUSING (productID);<\/code><\/pre>\n<\/div>\n<\/div>\n\n\u062d\u062a\u06cc \u0627\u06af\u0631 \u06a9\u0644\u0645\u0647 \u06a9\u0644\u06cc\u062f\u06cc AS \u0628\u0631\u0627\u06cc \u062a\u0639\u0631\u06cc\u0641 \u0646\u0627\u0645 \u0645\u0633\u062a\u0639\u0627\u0631 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0646\u06cc\u0633\u062a\u060c \u06af\u0646\u062c\u0627\u0646\u062f\u0646 \u0622\u0646 \u0631\u0648\u0634 \u062e\u0648\u0628\u06cc \u062f\u0631 \u0646\u0638\u0631 \u06af\u0631\u0641\u062a\u0647 \u0645\u06cc \u0634\u0648\u062f. \u0627\u0646\u062c\u0627\u0645 \u0627\u06cc\u0646 \u06a9\u0627\u0631 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0631\u0648\u0634\u0646 \u0646\u06af\u0647 \u062f\u0627\u0634\u062a\u0646 \u0647\u062f\u0641 \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0648 \u0628\u0647\u0628\u0648\u062f \u062e\u0648\u0627\u0646\u0627\u06cc\u06cc \u0622\u0646 \u06a9\u0645\u06a9 \u06a9\u0646\u062f.<\/p>\n
\u0646\u062a\u06cc\u062c\u0647<\/h2>\n
\u0628\u0627 \u062e\u0648\u0627\u0646\u062f\u0646 \u0627\u06cc\u0646 \u0631\u0627\u0647\u0646\u0645\u0627\u060c \u06cc\u0627\u062f \u06af\u0631\u0641\u062a\u06cc\u062f \u06a9\u0647 \u0686\u06af\u0648\u0646\u0647 \u0627\u0632 \u0639\u0645\u0644\u06cc\u0627\u062a JOIN \u0628\u0631\u0627\u06cc \u062a\u0631\u06a9\u06cc\u0628 \u062c\u062f\u0627\u0648\u0644 \u062c\u062f\u0627\u06af\u0627\u0646\u0647 \u062f\u0631 \u06cc\u06a9 \u0645\u062c\u0645\u0648\u0639\u0647 \u0646\u062a\u0627\u06cc\u062c \u067e\u0631\u0633 \u0648 \u062c\u0648 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u06a9\u0646\u06cc\u062f. \u062f\u0631 \u062d\u0627\u0644\u06cc \u06a9\u0647 \u062f\u0633\u062a\u0648\u0631\u0627\u062a \u0646\u0634\u0627\u0646 \u062f\u0627\u062f\u0647 \u0634\u062f\u0647 \u062f\u0631 \u0627\u06cc\u0646\u062c\u0627 \u0628\u0627\u06cc\u062f \u0631\u0648\u06cc \u0627\u06a9\u062b\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0647\u0627\u06cc \u0631\u0627\u0628\u0637\u0647 \u0627\u06cc \u06a9\u0627\u0631 \u06a9\u0646\u0646\u062f\u060c \u062a\u0648\u062c\u0647 \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u062f \u06a9\u0647 \u0647\u0631 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 SQL \u0627\u0632 \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0645\u0646\u062d\u0635\u0631 \u0628\u0647 \u0641\u0631\u062f \u062e\u0648\u062f \u0627\u0632 \u0632\u0628\u0627\u0646 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0645\u06cc \u06a9\u0646\u062f. \u0628\u0631\u0627\u06cc \u062a\u0648\u0636\u06cc\u062d \u06a9\u0627\u0645\u0644 \u062a\u0631 \u0647\u0631 \u0641\u0631\u0645\u0627\u0646 \u0648 \u0645\u062c\u0645\u0648\u0639\u0647 \u06a9\u0627\u0645\u0644 \u06af\u0632\u06cc\u0646\u0647 \u0647\u0627\u06cc \u0622\u0646\u0647\u0627 \u0628\u0627\u06cc\u062f \u0628\u0647 \u0627\u0633\u0646\u0627\u062f \u0631\u0633\u0645\u06cc DBMS \u062e\u0648\u062f \u0645\u0631\u0627\u062c\u0639\u0647 \u06a9\u0646\u06cc\u062f.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"\u0645\u0642\u062f\u0645\u0647 \u0628\u0633\u06cc\u0627\u0631\u06cc \u0627\u0632 \u0637\u0631\u0627\u062d\u06cc \u0647\u0627\u06cc \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0631\u0648\u0627\u0628\u0637 \u0628\u06cc\u0646 \u0646\u0642\u0627\u0637 \u062f\u0627\u062f\u0647 \u062e\u0627\u0635\u060c \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0631\u0627 \u0628\u0647 \u062c\u062f\u0627\u0648\u0644…\n","protected":false},"author":1,"featured_media":16027,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_focuskw":"\u0646\u062d\u0648\u0647 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 Joins \u062f\u0631 SQL","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_opengraph-image":"","_yoast_wpseo_twitter-description":"","_yoast_wpseo_twitter-image":"","_yoast_wpseo_focuskeywords":"","_yoast_wpseo_primary_category":"193","footnotes":""},"categories":[193,349],"tags":[403,391],"class_list":{"0":"post-15949","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-tutorials","8":"category-database","9":"tag-data-base","10":"tag-mysql"},"yoast_head":"\n
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