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 HasIdentityColumn property specifies whether a table has an identity column.
语法
object
.HasIdentityColumn
Parts
- object
An expression that evaluates to an object in the Applies To list
Data Type
Boolean
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetHasIdentityColumn(LPBOOL pRetVal);
备注
The HasIdentityColumn property returns TRUE if a table contains an identity column.
If the table contains an identity column, use the AutoIdentityRange property to enable automatic assignment of a range of values to the identity columns at the Publisher and Subscriber for articles in merge publication, or articles in transactional or snapshot publications that allow queued updates.
.gif "ms142592.note(zh-cn,SQL.90).gif") 注意： |
|---|
| HasIdentityColumn can be used with Microsoft SQL Server 2005, SQL Server 2000, and SQL Server version 7.0. |