SELECT 



表名=case when a.colorder is not null then d.name else '' end,

字段序號=a.colorder,

字段名=a.name,

標識=case when COLUMNPROPERTY( a.id,a.name,'IsIdentity')=1 then '√' else '' end,

主鍵=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,  

類型=b.name,

占用字節數=a.length,

長度=COLUMNPROPERTY(a.id,a.name,'PRECISION'),

小數位數=isnull(COLUMNPROPERTY(a.id,a.name,'Scale'),0),

允許空=case when a.isnullable=1 then '√'else '' end,

默認值=isnull(e.text,''),

字段說明=isnull(g.[value],'')



FROM syscolumns a left join systypes b on a.xtype=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



WHERE d.name='table1'    -- 數據表名

ORDER BY a.colorder    -- 排序