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瀏覽:600
日期:2026-04-18
IF Boolean_expression { sql_statement | statement_block } [ ELSE ... END 區塊中
所有的Transact-SQL 陳述式都是有效的,但某些Transact-SQL 陳述式不應在同一 ......
瀏覽:781
日期:2026-04-18
END IF;. You use the IF-THEN-ELSE syntax, when you want to execute one set of
statements when condition is TRUE or a different set of statements when ......
瀏覽:500
日期:2026-04-19
PL/SQL IF-THEN-ELSIF statement - Learn PL/SQL programming in simple and ...
true ELSE S4; -- executes when the none of the above condition is true END IF; ......
瀏覽:657
日期:2026-04-20
END can be used directly after an IF and thus the whole block of code in ... IF
statements can, by definition, only take a single SQL statement....
瀏覽:1315
日期:2026-04-17
ELSE...ENDIF is pretty much what we've got in T-SQL. There is nothing like
structured programming's CASE statement. If you have an extended ......
瀏覽:1204
日期:2026-04-23
The Transact-SQL statement following an IF keyword and its condition is
executed ... type = 'mod_cook' END ELSE PRINT 'Average title price is more than
$15....
瀏覽:883
日期:2026-04-18
IF Boolean_expression { sql_statement | statement_block } [ ELSE ... END 區塊中
所有的Transact-SQL 陳述式都是有效的,但某些Transact-SQL 陳述式不應在同一 ......
瀏覽:1356
日期:2026-04-23
除非使用陳述式區塊,否則,IF 或ELSE 條件只會影響一個Transact-SQL 陳述式的
效能。 若要定義陳述式區塊,請使用流程控制關鍵字BEGIN 和END。...

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