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In the database options, the ANSI NULLS Enabled option is set to false. I can further confirm this by running:

SELECT DATABASEPROPERTYEX('mydb', 'IsAnsiNullsEnabled')

which gives me 0.

Interestingly, whenever I open a new query window from the same database and run this:

IF (NULL = NULL) BEGIN print 'true' END ELSE begin PRINT 'false' END

it gives me 'false' every time. It only gives me 'true' if I manually turn ansi_nulls off by running:

SET ANSI_NULLS OFF

Why is this?

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1 Answer 1

Reset to default
2

If you are using Management Studio (SSMS), then you may have it set in your default query options.

To check this, click "Tools..Options" to open the Option dialog. Then navigate to "Query Execution > SQL Server > ANSI".

The database setting is a default and is only used if there is no session, query or connection setting specified.

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1 Comment

Thanks Barry! That was it!

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