select * from gxsw_wz_wzxx ,(select distinct 标题 , 内容 from gxsw_wz_wzxx ) a
where gxsw_wz_wzxx .标题 = a. 标题 and gxsw_wz_wzxx .内容 = a.内容 ORDER BY wzxx_tjsj DESC
where gxsw_wz_wzxx .标题 = a. 标题 and gxsw_wz_wzxx .内容 = a.内容 ORDER BY wzxx_tjsj DESC
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