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 @oldDate = GETDATE()-30 EXECUTE MASTER.dbo.xp_delete_file 0, N'D:\backup\', N'bak', @oldDate, 1