SQL备份所有数据库脚本

--SQL备份所有数据库脚本
declare @CurrentDataBaseName nvarchar(100)
declare @CurrentBackFolder nvarchar(200)
declare @CurrentBackString nvarchar(2000)

set @CurrentBackFolder='D:\Test'--这里是备份的目录,所有数据库都备份到这个目录
--查询所有数据库名称
--select * from   master..sysdatabases   where   dbid>=7
declare tb cursor local for select name,dbid from master..sysdatabases   where   dbid>=7;
open tb
fetch next from tb into @CurrentDataBaseName
while @@fetch_status=0
begin
 --备份当前查询到的数据库到指定目录
 set @CurrentBackString='
    USE [master]
    BACKUP DATABASE ['+@CurrentDataBaseName+']  TO DISK = '''+ @CurrentBackFolder+'\'+@CurrentDataBaseName+convert(varchar(50),getdate(),112)+'.bak'' WITH NOFORMAT, NOINIT,NAME ='''+@CurrentDataBaseName+'-完整 数据库 备份'',SKIP, NOREWIND, NOUNLOAD;';
 print @CurrentBackString;
 exec sp_executesql @CurrentBackString;

print '备份数据库'+@CurrentDataBaseName +'完成';
fetch next from tb into @CurrentDataBaseName
end
close tb
deallocate tb

print '备份所有数据库完成'