sqlserver 自动备份所有数据库的SQL

复制代码 代码如下:

use master

declare @DbName varchar(60)

declare @BackSql varchar(1000)

declare myCursor cursor for

SELECT [name] FROM SYSDATABASES

where [name] not in (‘master’,’model’,’msdb’,’tempdb’)

order by [name]

open myCursor

fetch next from myCursor into @DbName

while(@@FETCH_STATUS = 0)

begin

if datename(weekday, getdate())=’星期三’ –每周三覆盖上周三的

begin

select @BackSql=’Backup DATABASE [‘+@DbName+’] to disk=”E:\DbBackUp\’+@DbName+’星期三.bak” with format’

end

else–每天覆盖上一天的

begin

select @BackSql=’Backup DATABASE [‘+@DbName+’] to disk=”E:\DbBackUp\’+@DbName+’AutoBack.bak” with format’

end

exec(@BackSql)

fetch next from myCursor into @DbName

end

close myCursor

DEALLOCATE myCursor