design elements a graphic style manual phần 4 ppsx
design elements a graphic style manual phần 1 ppt
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Ngày tải lên: 08/08/2014, 23:21
Databases Demystified a self teaching guide phần 4 ppsx
... that ends every SQL statement. In Oracle, a transaction is automatically started for each database user session as soon as the user connects to the database. At any time, the database user can ... table’s data. The ALTER TABLE Statement The ALTER TABLE statement may be used to change many aspects of the definition of a database table. Again, there is a wide variation in implementation a...
Ngày tải lên: 08/08/2014, 18:22