怎样用SQL语句查询一个数据库中的所有表? --读取库中的所有表名 select name from sysobjects where xtype='u'--读取指定表的所有列名select name from syscolumns where id=(select max(id) from sysobjects where xtype='u' and name='表名')获取数据库表名和字段sqlserver中各个系统表的作用sysaltfiles 主数据库 保存数据库的文件syschars…
Protecting the Flowers Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 3204 Accepted: 1300 Description Farmer John went to cut some wood and left N (2 ≤ N ≤ 100,000) cows eating the grass, as usual. When he returned, he found to his ho…