SELECT  
表名=case when a.colorder=1 then d.name else '' end, 
字段名=a.name, 
標識=case when COLUMNPROPERTY(a.id,a.name,'IsIdentity')=1 then 'Y'else 'N' 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 'Y' else 'N' end, 
類型=b.name, 
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 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'