06.SQL-Phep_ket - 1 Bộ môn Hệ Thống Thông Tin –...

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Unformatted text preview: 1 Bộ môn Hệ Thống Thông Tin – Khoa CNTT Ngôn ngữ SQL – Phép kết I. M ụ c l ụ c I. Mục lục ........................................................................................................................................ 1 II. Một số lưu ý về phép kết .............................................................................................................. 1 A. Tìm kiếm từ nhiều bảng ........................................................................................................... 1 B. Inner joins (Kết bằng) .............................................................................................................. 2 C. Right (Outer) joins (Kết phải) .................................................................................................. 2 D. Left (Outer) joins (Kết trái) ...................................................................................................... 3 E. Full (Outer) joins ...................................................................................................................... 3 II. Một số lưu ý về phép kết SINHVIEN LOP...
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This note was uploaded on 05/09/2010 for the course BACXT 9983 taught by Professor Domany during the Spring '08 term at Webster University Geneva.

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06.SQL-Phep_ket - 1 Bộ môn Hệ Thống Thông Tin –...

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