SELECT 表名 = case when a.colorder=1 then d.name else ' ' end, 表说明 = case when a.colorder=1 then isnull(f.value, ' ') else ' ' end, 字段序号 = a.colorder, 字段名 = a.name, 标识 = case when COLUMNPROPERTY(a.id, a.name, 'IsIdentity ')=1 then '√ ' else ' ' end, 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, 占用字节数= a.length, 长度 = COLUMNPROPERTY(a.id, a.name, 'PRECISION '), 小数位数 = isnull(COLUMNPROPERTY(a.id,a.name, 'Scale '),0), 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 sysproperties g on a.id=g.id and a.colid=g.smallid left join sysproperties f on d.id=f.id and f.smallid=0 --where d.name= '要查询的表 ' --如果只查询指定表,加上此条件 order by a.id,a.colorder
以上方法：转自网络。
