SQL NULLIF Function

NULLIF FUNCTION:


Compares two values and does the following:

Returns null if both values are the same.
Returns the first value if both values are different.

SQL Server:
Select NULLIF(FIELD1, FIELD2) AS FIELD3 FROM TABLE;

Oracle:
Select NULLIF(FIELD1, FIELD2) AS FIELD3 FROM TABLE;
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Posted in Oracle, SQL Server

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