/*******************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参考一下
要求1:每月1日作一次数据备份。 --> 建sql job,每月第一天执行. backup database student to disk='[目标路径\备份文件名]' with format,init 要求2:每季度第一天作一次数据备份。 --> 建sql job,每季第一天执行. backup database student to disk='[目标路径\备份文件名]' with format,init 要求3:对student数据库中的S,C,SC作恢复。 --> 需要时进行数据库恢复. restore database student from disk='[目标路径\备份文件名]' with replace
--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参考一下
--> 建sql job,每月第一天执行. backup database student to disk='[目标路径\备份文件名]' with format,init
要求2:每季度第一天作一次数据备份。
--> 建sql job,每季第一天执行. backup database student to disk='[目标路径\备份文件名]' with format,init
要求3:对student数据库中的S,C,SC作恢复。
--> 需要时进行数据库恢复. restore database student from disk='[目标路径\备份文件名]' with replace