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 ..sysdatabases D where sid not in(select sid from ..syslogins where name=@#@#)
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 _name,_type from information_schema.columns
where table_name = @#表名@#