SQLserver读取库中的所有表名

http://digyso.iteye.com/blog/462553

--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')