sql 2005 数据结构查询

1. 获取sql 表结构

   SELECT syscolumns.name,systypes.name,syscolumns.length --,syscolumns.isnullable 
   FROM syscolumns, systypes 
   WHERE syscolumns.xusertype = systypes.xusertype 
   AND syscolumns.id = object_id('sgmaster')