今天弄了个比较详细的表结构查询，纯手工打，你信不？哈哈
select 字段序号 = a.colorder , 字段名 = a.name , 主键 = case when exists ( select 1 from sysobjects where xtype = 'PK' and name in (select name from sysindexes where indid in (select indid from sysindexkeys where id = a.id and colid = a.colid)) ) then '√' else '' end , 类型 = b.name , 长度 = columnproperty(a.id, a.name, 'PRECISION') , 允许空 = case when a.isnullable = 1 then '√' else '' end , 默认值 = isnull(e.text, '') , 字段说明 = isnull(g.[value], '') from syscolumns a left join systypes b on a.xusertype = b.xusertype inner join sysobjects d on a.id = d.id and d.xtype = 'U' and d.name <> 'dtproperties' left join syscomments e on a.cdefault = e.id left join sys.extended_properties g on a.id = g.major_id and a.colid = g.minor_id left join sys.extended_properties f on d.id = f.major_id and f.minor_id = 0 where d.name='表名' --如果只查询指定表,加上此条件 order by a.id , a.colorder