select distinct a.djbh,a.rq,b.danwbh,b.dwmch,A.HSJE,a.beizhu,a.bm,a.ywy,a.shenhyj
from jzorder_hz a (nolock),mchk b (nolock),pf_djmx c (nolock)
where a.dwbh=b.dwbh and a.djbh like 'XSG%' and a.shenhe='是'
and a.is_zx<>'清' and c.is_gsp<>'是' and a.djbh=c.djbh
and a.is_kfqr='否' and a.is_wlqr='否' and a.bendian= :bendian
order by a.djbh
不加distinct 返回的是两个相同的数据 想知道为什么会返回两个相同的数据 看了jzorder_hz表 数据没重复