Sun_china

摘要： 1数据库设计结构 2 3if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[treetemp]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) 4drop table [dbo].[treetemp] 5GO 6 7CREATE TABLE [dbo].[tree... 阅读全文