文档预览： 3. SQL Syntax Select data from table: Select Clause-- Display all column...Case when x=5 then y := 50; when x>5 then y := 1000; Else y :... 点击下载

文档预览： Grant {All [privilege] | privilege_list } on {... SQL 嵌入高阶语言中的方式将SQL 嵌入高阶语言中的...case rank when 10 then '*' when 20 then '**... 点击下载

文档预览： Uses ANSI SQL format rather than ... NULL and NULL to IS NOT NULL when...All string comparisons are performed ...ii) Then copy the insert statements ... 点击下载

文档预览： I'd not finished implementing when ...Write good SQL to start with!–...all the rows for later – if you...The letter case used for attribute ... 点击下载

文档预览： 3-3 Case of Package and Procedure Names .....The procedures can then be called from an Ada ...all module procedures can return a single error ... 点击下载