EnumCandidateKeys Method
未來的 Microsoft SQL Server 版本將移除這項功能。請避免在新的開發工作中使用這項功能,並規劃修改目前使用這項功能的應用程式。
The EnumCandidateKeys method returns a QueryResults object that enumerates the user tables of a Microsoft SQL Server database and the constraints on those tables that could define primary keys.
語法
object.EnumCandidateKeys( )as QueryResults
Parts
- object
Expression that evaluates to an object in the Applies To list.
Prototype (C/C++)
HRESULT EnumCandidateKeys(
LPSQLDMOQUERYRESULTS* ppResults);
Returns
A QueryResults object that contains one result set defined by these columns.
Column |
Data type |
Description |
---|---|---|
candidate_table |
nvarchar(262) |
SQL Server table name. |
candidate_key |
nvarchar(129) |
Name of an existing UNIQUE or PRIMARY KEY constraint. |