select to_char(ts,'mm')||'月'||to_char(ts,'dd')||'日' as rq,avg(jcz) as ph,fxqk from p_zhyl_water where jcx='PH值' and ts = to_date(to_char(sysdate,'yyyy/mm/dd'),'yyyy/mm/dd') group by to_char(ts,'mm')||'月'||to_char(ts,'dd')||'日' ,jcz,fxqk 要怎么改 |
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