【转】查询表结构

关于查询表结构

-- 查询非系统数据库Select name FROM Master.. SysDatabases where dbid>4-- 选择water数据库下的所有表use [water] SELECT name FROM sysobjects WHERE xtype = 'U' Or xtype = 'S'-- 选择water数据库下的所有用户表use [water] SELECT name FROM sysobjects WHERE xtype = 'U' AND OBJECTPROPERTY (id, 'IsMSShipped') = 0-- 查询water数据库下的admin表的字段名,长度,类型,字段说明use [water] SELECT a.[name] as '字段名',a.length '长度',c.[name] '类型',e.value as '字段说明' FROM syscolumns  a left   join    systypes    b   on      a.xusertype=b.xusertype left join systypes c on  a.xtype = c.xusertype inner   join   sysobjects  d   on      a.id=d.id     and   d.xtype='U' left join sys.extended_properties e on a.id = e.major_id and a.colid = e.minor_id and e.name='MS_Description'where d.name='admin' 

sys.extended_properties系统内置视图用于存储字段说明。

查询某张表的字段信息的话还可用如下方法：

select * from information_schema.columns where table_name ='colocal'