SQL Server IIF() Function
Example
Return "YES" if the condition is TRUE, or "NO" if the condition is FALSE:
SELECT
IIF(500<1000, 'YES', 'NO');
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Definition and Usage
The IIF() function returns a value if a condition is TRUE, or another value if a condition is FALSE.
Syntax
IIF(condition, value_if_true, value_if_false)
Parameter Values
| Parameter | Description |
|---|---|
| condition | Required. The value to test |
| value_if_true | Optional. The value to return if condition is TRUE |
| value_if_false | Optional. The value to return if condition is FALSE |
Technical Details
| Works in: | SQL Server (starting with 2012), Azure SQL Database |
|---|
More Examples
Example
Return 5 if the condition is TRUE, or 10 if the condition is FALSE:
SELECT IIF(500<1000, 5, 10);
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Example
Test whether two strings are the same and return "YES" if they are, or "NO" if not:
SELECT IIF(STRCMP("hello","bye") = 0,
'YES', 'NO');
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Example
Return "MORE" if the condition is TRUE, or "LESS" if the condition is FALSE:
SELECT OrderID, Quantity, IIF(Quantity>10,
'MORE', 'LESS')
FROM
OrderDetails;
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