InPrimaryKey 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 InPrimaryKey property exposes primary key participation for a Microsoft SQL Server column.
语法
object
.InPrimaryKey
Parts
- object
An expression that evaluates to an object in the Applies To list
Data Type
Boolean
Modifiable
Read-only
Prototype (C/C++)
HRESULT GetInPrimaryKey(LPBOOL pRetVal);
备注
If TRUE, the referenced column is part of a PRIMARY KEY or UNIQUE key constraint defined on the table.
If FALSE, the referenced column is not part of a PRIMARY KEY or UNIQUE key constraint defined on the table.