/*******************完整备份作业*******************/
--完整备份,每周一次
USE Master
GO
declare @str varchar(100)
set @str='D:/DBtext/jgj/DBABak/FullBak'+replace(replace(replace(convert(varchar,getdate(),20),'-',''),' ',''),':','')+'.bak'
BACKUP DATABASE [demo] TO DISK=@str
WITH RETAINDAYS=15,NOFORMAT,NOINIT,
NAME=N'Demo完整备份',SKIP,NOREWIND,
NOUNLOAD,STATS=10
GO
/*******************差异备份作业*******************/
--截断日志
USE Master
GO
BACKUP LOG Demo WITH NO_LOG
GO
--收缩日志文件
USE Demo
GO
DBCC SHRINKFILE (N'Demo_log',0,TRUNCATEONLY)
GO
--差异备份,每天一次
USE Master
GO
declare @str varchar(100)
set @str='D:/DBtext/jgj/DBABak/DiffBak'+replace(replace(replace(convert(varchar,getdate(),20),'-',''),' ',''),':','')+'.diff'
BACKUP DATABASE [Demo] TO DISK=@str
WITH DIFFERENTIAL,RETAINDAYS=8,NOFORMAT,NOINIT,
NAME=N'Demo差异备份',SKIP,NOREWIND,
NOUNLOAD,STATS=10
GO
/******************日志备份作业*******************/
--日志备份,每小时一次
USE Demo
GO
declare @str varchar(100)
set @str='D:/DBtext/jgj/DBABak/logbak'+replace(replace(replace(convert(varchar,getdate(),20),'-',''),' ',''),':','')+'.trn'
BACKUP LOG [Demo] TO DISK=@str
WITH RETAINDAYS=3,NOFORMAT,NOINIT,
NAME=N'Demo日志备份',SKIP,NOREWIND,
NOUNLOAD,STATS=10
GO
--删除过期的备份文件,每天两次
declare @str varchar(100),@dir varchar(100),@fileName varchar(30)
set @dir='del D:/DBtext/jgj/DBABak/'
set @filename=left(replace(replace(replace(convert(varchar,getdate()-15,20),'-',''),' ',''),':',''),8)
set @str=@dir+'fullbak'+@filename+'*.bak'
exec xp_cmdshell @str
set @filename=left(replace(replace(replace(convert(varchar,getdate()-8,20),'-',''),' ',''),':',''),8)
set @str=@dir+'diffbak'+@filename+'*.diff'
exec xp_cmdshell @str
set @filename=left(replace(replace(replace(convert(varchar,getdate()-8,20),'-',''),' ',''),':',''),8)
set @str=@dir+'logbak'+@filename+'*.trn'
exec xp_cmdshell @str
SQLServer2005利用维护计划自动备份数据库
PS：1、SQL Server Management Studio Express数据库管理系统并没有维护计划，要在开发版或企业版才有。
2、需要在SQL Server Configuration Manager中，开启服务SQL Server Agent（实例名）。如果服务启动，在Management Studio中新建维护计划时，提示以下错误信息：
