图书管理系统--SQLserver2000后台数据库处理

大型数据库课程考核项目 use master go if exists (select * from dbo.sysdatabases where name = 'library') drop database library GO create database library go use library go if exists (select * from dbo.sysobjects where id = object_id(N'[dbo].[readertype]') and OBJECTPROPERTY(id, N'IsUserTable') = 1) drop tabl