一般我们会用事件探查器来跟踪SQL Server的运行情况，有时我们也需要定时进行一些跟踪，以检查SQL Server在某个时间段内的运行状况，由于事件探查器不支持调度，因此，应该寻找一种方法，适合我们通过设置JOB来启动跟踪，本文介绍的用T-SQL语句来启用跟踪就适合这种需求。

　　一、用脚本启动并设置跟踪的示例

　　通过这个示例，你可以了解用脚本进行跟踪所涉及到的存储过程，要了解这些存储过程的具体语法和参数的含义，请查询联机帮助

/****************************************************/
/* Created by: SQL Profiler　　　　　　　　　　　　 */
/* Date: 2004/06/19　16:50:05　　　　 */
/****************************************************/
-- Create a Queue
declare @rc int
declare @TraceID int
declare @maxfilesize bigint
set @maxfilesize = 5
-- Please replace the text InsertFileNameHere, with an appropriate
-- filename prefixed by a path, e.g., c:MyFolderMyTrace. The .trc extension
-- will be appended to the filename automatically. If you are writing from
-- remote server to local drive, please use UNC path and make sure server has
-- write access to your network share
exec @rc = sp_trace_create @TraceID output, 0, N'c:　　est', @maxfilesize, NULL
if (@rc != 0) goto error
-- Client side File and Table cannot be scripted
-- Writing to a table is not supported through the SP's
-- Set the events
declare @on bit
set @on = 1
exec sp_trace_setevent @TraceID, 12, 1, @on
exec sp_trace_setevent @TraceID, 12, 12, @on
exec sp_trace_setevent @TraceID, 12, 14, @on
-- Set the Filters
declare @intfilter int
declare @bigintfilter bigint
exec sp_trace_setfilter @TraceID, 10, 0, 7, N'SQL Profiler'
set @intfilter = 100
exec sp_trace_setfilter @TraceID, 22, 0, 4, @intfilter
set @intfilter = 1
exec sp_trace_setfilter @TraceID, 23, 1, 0, @intfilter
exec sp_trace_setfilter @TraceID, 35, 1, 6, N'pubs'
-- Set the trace status to start
exec sp_trace_setstatus @TraceID, 1
-- display trace id for future references
select TraceID=@TraceID
goto finish
error:
select ErrorCode=@rc
finish:
go