查看表
查看数据库中的所有表
select * from sysobjects where xtype='u' order by name asc
--查询数据库的所有表信息
select * from sysobjects where type='U';
--列出表里的所有的列名
select * from syscolumns where id = object_id('ta1');
--查询数据库表数据条数
select
distinct a.name AS 表名,b.rows AS 数据行数
from sys.objects a,sysindexes b
where a.object_id=b.id and a.type='u'and b.rows = 0;