sql server 2008获取表的字段注释

 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   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='MERCHANDISECOMMENT'         --如果只查询指定表,加上此条件
 order by a.id,a.colorder