AnsiNullsStatus Property

この機能は、将来のバージョンの Microsoft SQL Server では削除される予定です。新規の開発作業ではこの機能を使用しないようにし、現在この機能を使用しているアプリケーションは修正することを検討してください。

The AnsiNullsStatus property returns TRUE when the database object referenced depends on a table exhibiting SQL-92 NULL handling behavior.

構文

object
.AnsiNullsStatus

Parts

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

Data Type

Boolean

Modifiable

Read/write when a StoredProcedure2, Trigger2, UserDefinedFunction, or View2 object is created. Read-only when a StoredProcedure, Trigger, or View object is used, or after a StoredProcedure2, Trigger2, UserDefinedFunction, or View2 object is created.

Prototype (C/C++)

HRESULT GetAnsiNullsStatus(LPBOOL pRetVal);

解説

By default, Microsoft SQL Server creates columns that do not accept NULL unless the user explicitly declares the ability to accept NULL. Further, SQL Server returns TRUE when evaluating the expression NULL = NULL. These default behaviors are nonstandard.

Database and client connection options override default SQL Server behavior. If the default is overridden, tables created exhibit SQL-92 standard NULL handling and objects that depend upon those tables function as specified by SQL-92.

メモ :
If an application calls AnsiNullsStatus on an instance of SQL Server version 7.0 with the Table2 object, the constant, SQLDMO_E_SQL80ONLY, and the message "This property or method requires Microsoft SQL Server 2000 or later" are returned.

Applies To:

StoredProcedure Object	Trigger2 Object
StoredProcedure2 Object	UserDefinedFunction Object
Table2 Object	View Object
Trigger Object	View2 Object