后续版本的 Microsoft SQL Server 将删除该功能。请避免在新的开发工作中使用该功能，并着手修改当前还在使用该功能的应用程序。
The Type property exposes configured attributes of the referenced Microsoft SQL Server component.
语法
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. |