SQL-DMO
CompareNull Property
The CompareNull property controls evaluation of NULL for equality.
Applies To
| DBOption Object |
Syntax
object.CompareNull [= value]
object
Expression that evaluates to an object in the Applies To list
value
TRUE or FALSE
Data Type
Boolean
Modifiable
Read/write
Prototype (C/C++)
HRESULT GetCompareNull(LPBOOL pRetVal);
HRESULT SetCompareNull(BOOL NewValue);
Remarks
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.