select name from sysobjects where xtype='u' and status>=0
2:获取某一个表的所有字段
select name from syscolumns where id=object_id('表名')
3:查看与某一个表相关的视图、存储过程、函数
select a.* from sysobjects a, syscomments b where a.id = b.id and b.text like '%表名%'
4:查看当前数据库中所有存储过程
select name as 存储过程名称 from sysobjects where xtype='p'
5:查询用户创建的所有数据库
select * from master..sysdatabases d where sid not in(select sid from master..syslogins where name='sa')
或者
select dbid, name as db_name from master..sysdatabases where sid <> 0x01
6:查询某一个表的字段和数据类型
select column_name,data_type from information_schema.columns
where table_name = '表名'
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