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DECLARE @sql varchar(8000)
--ÏÂÃæÊÇɾ³ý15Ììǰ±¸·ÝÎļþµÄ´¦Àí
set @sql='Del E:\Databasebackup\'
@sql=@sql +rtrim(convert(varchar,getdate()-15,112))+'.bak'
Exec master..xp_cmdshell @sql
DECLARE @DelFile Varchar(256)
set @DelFile='Del E:\Databasebackup\'
set @DelFile=@DelFile+'shya_DATA_'+Replace(convert(varchar(10),getdate()-28,120),'-','_')
Exec master..xp_cmdshell @DelFile
--ÅжÏÎļþÊÇ·ñ´æÔÚ
create table ##tb(a bit,b bit,c bit)
DECLARE @sql Varchar(256)
set @sql='E:\Databasebackup'+'shya_DATA_'+Replace(convert(varchar(10),getdate()-28,120),'-','_')
insert into ##tb
exec master..xp_fileexist @sql
--Îļþ´æÔÚÔòɾ³ý
if exists(select 1 from ##tb where a=1)
begin
DECLARE @DelFile Varchar(256)
set @DelFile='Del E:\Databasebackup\'
set @DelFile=@DelFile+'shya_DATA_'+Replace(convert(varchar(10),getdate()-28,120),'-','_')
Exec master..xp_cmdshell @DelFile
end
drop table ##tb
---×îдúÂë
--ÅжÏÎļþÊÇ·ñ´æÔÚ
create table ##tb(a bit,b bit,c bit)
DECLARE @DelFile Varchar(256)
set @DelFile='E:\Databasebackup\'
set @DelFile=@DelFile+'shya_DATA_'+Replace(convert(varchar(10),getdate()-28,120),'-','_')
insert into ##tb
exec master..xp_fileexist @DelFile
--Îļþ´æÔÚÔòɾ³ý
if exists(select 1 from ##tb where a=1)
begin
DECLARE @Delsql Varchar(256)
set @Delsql='Del '+ @DelFile
Exec master..xp_cmdshell @Delsql
end
drop table ##tb
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using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
namespace shineh ......
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SELECT TOP 10
wait_type,waiting_tasks_count AS tasks,
wait_time_ms,max_wait_time_ms AS max_wait,
signal_wait_time_ms AS signal
from sys.dm_os_wait_stats
ORDER BY wait_time_ms DESC
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SELECT
request_session_id A ......