SELECT     
      表名=case   when   a.colorder=1   then   d.name   else   ‘‘   end,   
      表說明=case   when   a.colorder=1   then   isnull(f.value,‘‘)   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   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=‘要查詢的表‘         --如果只查詢指定表,加上此條件   
      order   by   a.id,a.colorder   

SQLServer數據表字典生成語句（直接運行）