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IIF builtin function
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Function:
Return a value of the first sub-expression if the given search condition
evaluates to TRUE, otherwise return a value of the second sub-expression.
Author:
Oleg Loa <loa@mail.ru>
Format:
IIF ( <search condition>, <value expression>, <value expression> )
Syntax Rule(s):
IIF (SC, V1, V2) is equivalent to the following <case specification>:
CASE WHEN SC THEN V1 ELSE V2 END
Example(s):
SELECT IIF(VAL > 0, VAL, -VAL) FROM OPERATION
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