Ad Hoc Distributed Queries的启用与关闭

启用Ad Hoc Distributed Queries： 
exec sp_configure 'show advanced options',1 
reconfigure 
exec sp_configure 'Ad Hoc Distributed Queries',1 
reconfigure

关闭Ad Hoc Distributed Queries： 
exec sp_configure 'Ad Hoc Distributed Queries',0 
reconfigure 
exec sp_configure 'show advanced options',0 
reconfigure