Type Property (Key)

未來的 Microsoft SQL Server 版本將移除這項功能。請避免在新的開發工作中使用這項功能，並規劃修改目前使用這項功能的應用程式。

The Type property exposes configured attributes of the referenced Microsoft SQL Server component.

語法

object.Type [= value]

Parts

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

• value
  A long integer that specifies key constraint attributes as described in Settings.

Data Type

Long, enumerated

Modifiable

Read/write when using the Key object to define a PRIMARY KEY or FOREIGN KEY constraint. Read-only when the Key object references an existing constraint.

Prototype (C/C++)

HRESULT GetType(SQLDMO_KEY_TYPE* pRetVal)
HRESULT SetType(SQLDMO_KEY_TYPE NewValue)

Settings

Constant	Value	Description
SQLDMOKey_Foreign	3	The key references, or will be used to create, a SQL Server FOREIGN KEY constraint.
SQLDMOKey_Primary	1	The key references, or will be used to create, a SQL Server PRIMARY KEY constraint.
SQLDMOKey_Unique	2	The key references a SQL Server UNIQUE constraint on a column not allowing NULL.
SQLDMOKey_Unknown	0	The value is not valid.

Applies To:

Key Object