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);

注释

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.