SQL Server SQL语句索引监控

it2022-05-05  219

use profiler to capture a server status for 24 hrs, the result stored into table Conn_AdminIII_2009_02_10

0. create index Create index idx_starttime on Conn_AdminIII_2009_02_10(starttime) 1.SQL query: select * from Conn_AdminIII_2009_02_10 where starttime between '2009-02-20 00:00:05.680' and '2009-02-20 09:10:05.680' order by duration desc 2.exec sp_executesql @sql: declare @starttime datetime declare @endtime datetime set @starttime = '2009-02-20 00:00:05.680' set @endtime = '2009-02-20 09:10:05.680' declare @sql nvarchar(max) set @sql= N' select * from Conn_AdminIII_2009_02_10 where starttime between  '''+ convert(nvarchar(200), @starttime, 120) +''' and  '''+ convert(nvarchar(200), @endtime, 120) +''' order by duration desc' exec sp_executesql @sql ref: Covert datetime to nvarchar: select convert(nvarchar, getdate(), 120) declare @starttime datetime set @starttime = '2009-02-20 08:00:05.680' select convert(nvarchar, @starttime, 120)

 

转载于:https://www.cnblogs.com/buro79xxd/archive/2009/10/16/1682559.html


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