set statistics profile on
set statistics profile off
dbcc dropcleanbuffers
dbcc freeproccache
set statistics io on
set statistics time on
。
。
dbcc dropcleanbuffers
dbcc freeproccache
set statistics profile off
dbcc dropcleanbuffers
dbcc freeproccache
set statistics io on
set statistics time on
。
。
dbcc dropcleanbuffers
dbcc freeproccache