AllowIdentity Property
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 AllowIdentity property exposes the ability of a data type to participate in a Microsoft SQL Server column defined with the Identity property.
语法
object
.AllowIdentity
Parts
- object
An expression that evaluates to an object in the Applies To list
Data Type
Boolean
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetAllowIndentity(LPBOOL pRetVal);
备注
The SQL Server identity property is defined for data types that can accept numeric values. A column defined with the identity property is defined with a starting value and a step value. SQL Server generates values for the column by querying the last applicable value and adding the step value.