1.开启Ad Hoc Distributed Queries组件，在sql查询编辑器中执行如下语句：
exec sp_configure ‘show advanced options’,1
reconfigure
exec sp_configure ‘Ad Hoc Distributed Queries’,1
reconfigure
2.关闭Ad Hoc Distributed Queries组件，在sql查询编辑器中执行如下语句：
exec sp_configure ‘Ad Hoc Distributed Queries’,0
reconfigure
exec sp_configure ‘show advanced options’,0
reconfigure
