MySQL NULLIF() Function
❮ MySQL Functions
Definition and Usage
The NULLIF() function compares two expressions and returns NULL if they are equal.
Otherwise, the first expression is returned.
Syntax
NULLIF(expr1, expr2)
Parameter Values
Parameter |
Description |
expr1, expr2 |
Required. The two expressions to be compared |
Technical Details
More Examples
Example
Compare two expressions:
SELECT NULLIF("2017-08-25", "2017-08-25");
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❮ MySQL Functions
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