摘要： if exists(select * from sysobjectswhere name='BackupDB' and xtype='p')begindrop proc BackupDBendgocreate procedure BackupDB@dataname nvarchar(1024),@filename nvarchar(1024)as declare @sql nvarchar(1024) set @sql='backup database '+@dataname+' to disk=N'''+@fil 阅读全文