SQL Server ->> 调用系统内建扩展存储过程"master.dbo.xp_delete_file"删除过期备份文件

  
DECLARE @oldDate DATETIME  
SET @oldDate = GETDATE()-30  

EXECUTE MASTER.dbo.xp_delete_file   
    0,                           
    N'D:\backup\',         
    N'bak',                      
    @oldDate,                   
    1                         
  
DECLARE @oldDate DATETIME  
SET