PurgeJobHistory Method
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 PurgeJobHistory method removes system records maintaining execution history for all Microsoft SQL Server Agent jobs, or those matching the filter criteria specified.
语法
object
.PurgeJobHistory( [ Filter ] )
Parts
object
Expression that evaluates to an object in the Applies To list.Filter
Optional. A JobHistoryFilter object that constrains record removal to those records identified by the criteria set in the object.
Prototype (C/C++)
HRESULT PurgeJobHistory(
LPSQLDMOJOBHISTORYFILTER pFilter = NULL);
注释
For more information about using the JobHistoryFilter object properties to identify job history records, see JobHistoryFilter Object.