--跟踪文件读入到表中分析SELECT * INTO ZGSJYFROM fn_trace_gettable("E:wxxcdbprofiler.trc", default);--某时间内,最耗时SQLselect TOP 100 SUBSTRING(Textdata,1,660) as "名称",count(*) as "数量", sum(duration/1000) as "总执行时间ms", avg(duration/1000) as "平均执行时间ms", avg(cpu) as "平均CPU时间ms", avg(reads) as "平均读次数", avg(writes) as "平均写次数"from ZGSJY group by substring(Textdata,1,660) order by sum(duration) desc通过SQL Server Profiler 跟踪程序或者数据库运行过程中SQL的执行信息。然后分析sql耗时,从而明确优化点。