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CompareNull Property

This feature will be removed in a future version of Microsoft SQL Server. Avoid using this feature in new development work, and plan to modify applications that currently use this feature.

The CompareNull property controls evaluation of NULL for equality.


object
.CompareNull [=value]

object

An expression that evaluates to an object in the Applies To list

value

TRUE or FALSE

Boolean

Read/write

HRESULT GetCompareNull(LPBOOL pRetVal);
HRESULT SetCompareNull(BOOL NewValue);

If TRUE, the expression NULL = NULL evaluates as NULL.

If FALSE, the expression NULL = NULL evaluates as TRUE.

Any value for CompareNull is overridden by the AnsiNulls property, which controls NULL evaluation for a client session.

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