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  • 自动备份所有数据库的SQL

    可自动备份除系统数据库外的所有数据库。备份文件的周期保存周期可以更改

    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

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  • 原文地址:https://www.cnblogs.com/techrich/p/1672829.html
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