CompareNull Property
Esta característica se quitará en una versión futura de Microsoft SQL Server. Evite utilizar esta característica en nuevos trabajos de desarrollo y tenga previsto modificar las aplicaciones que actualmente la utilizan.
The CompareNull property controls evaluation of NULL for equality.
Sintaxis
object
.CompareNull [=value]
Parts
- object
An 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);
Notas
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.