SQL Server自动备份、压缩和删除压缩

EXEC sp_configure 'show advanced options', 1;
RECONFIGURE;


EXEC sp_configure 'xp_cmdshell', 1;
RECONFIGURE;

declare @prefix         nvarchar(100),
        @datefile       nvarchar(100),
        @bakfile        nvarchar(100),
        @rarfile        nvarchar(100),
        @rarcmd         nvarchar(150),
        @str_date       nvarchar(100),
        @sql            nvarchar(100)
        
--设置备份的目录      
set @prefix='D:/DataBase/' 
set @str_date = replace(replace(replace(convert(varchar(20),getdate(), 120),' ',''),'-',''),':','')

set @datefile = 'xx' +@str_date

set @bakfile = @prefix+@datefile+'.bak'

set @rarfile = @prefix+@datefile+'.rar'
--备份
BACKUP Database mpe_db_Data TO DISK = @bakfile WITH NOFORMAT, NOINIT,  NAME = N'xx-完整 数据库 备份', SKIP, NOREWIND, NOUNLOAD,  STATS = 10
--压缩rar
set @rarcmd ='"c:\Program Files\WinRAR\winrar.exe" ' +'a -df ' +@rarfile+' '+@bakfile
exec master..xp_cmdshell @rarcmd,NO_OUTPUT;

--删除15天之前的备份
set  @sql='del  d:\DataBase\xx' +rtrim(replace(replace(replace(convert(varchar(20),getdate()-15, 120),' ',''),'-',''),':',''))+'.rar'
exec master..xp_cmdshell @sql,NO_OUTPUT;