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日期:2024-07-10
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:2024-07-08
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....
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日期:2024-07-07
The IF...THEN...ELSE Statement : IF « PL SQL Statements « Oracle PL/SQL Tutorial ... some_condition_evaluates_to_true, tests a BOOLEAN condition that you provide. If true, the second parameter, perform_statements_condition_true, executes....
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日期:2024-07-11
up vote 12 down vote favorite Using If else in SQL Select statement sql sql-server I have a select statement which return 2 columns. these are ID | IDParent Then in my program i have to test if IDParent is < 1 then use ID ELSE use IDParent Is there a way ...
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日期:2024-07-08
can you Provide your table structure, and also explain what you want to achieve? can't say about others but i am having little doubt in your logic used. well in your case you have missed 'end' keyword.. case when P.Factor1=' ' then 0 else P.Factor1 End as...
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日期:2024-07-11
I have simplified the queries which i was given by you and twan to the above one to get the same results but my issue here is with the case statement .I am almost there .Please take a look at the case block which i need to modify to get counts under diff ...
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日期:2024-07-10
2012年11月23日 - I have a select statement which return 2 columns. these are ... you can use CASE SELECT ..., CASE WHEN IDParent < 1 THEN ID ELSE IDPArent ......
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日期:2024-07-08
2012年6月12日 - You can only use MySQL's if in a stored procedure. For example: DELIMITER // CREATE PROCEDURE `test_procedure` (IN wp_id INT) BEGIN IF( ......