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日期:2024-08-09
Microsoft knowledge-base article containing instructions and a script to run....
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日期:2024-08-11
Database Mirroring Dynamics To gain a deeper understanding of SQL Server 2005 database mirroring, it is helpful to see how a database mirroring session can change over time. This section will cover the different database states in a database mirroring ses...
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日期:2024-08-05
The Transact-SQL statement (sql_statement) following the Boolean_expression is executed if the Boolean_expression evaluates to TRUE. The optional ELSE ......
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日期:2024-08-06
The optional ELSE keyword introduces another Transact-SQL statement that is executed when the IF condition is not satisfied: the Boolean expression returns ......
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日期:2024-08-08
The IF statement is used to test for a condition. ... ELSE. SQL Server 2008 R2 ... When the IF statement evaluates to TRUE, the statement or block of statements ......
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日期:2024-08-11
The IF-THEN-ELSIF statement allows you to choose between several alternatives. An IF-THEN statement can be followed by an optional ELSIF...ELSE statement ......
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日期:2024-08-05
A sequence of IF-THEN statements can be followed by an optional sequence of ELSE statements, which execute when the condition is FALSE....
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日期:2024-08-12
In SQL Server, the IF...ELSE statement is used to execute code when a condition is TRUE, or execute different code if the condition evaluates to FALSE....