我试过使用distinct关键字,并且试过对列进行分组,但查询仍然返回重复结果。 SELECT
distinct orderformdump.itemno,
case when PRH.ACTIVE = 1 and PRH.STARTDATE < cast(GETDATE() as DATE) and (PRH.ENDDATE IS NULL OR PRH.ENDDATE >= cast(GE
我使用的Java和MySQL,我有在MySQL的代码 SELECT DISTINCT date(datecreat) as datetemp , (SELECT max(sensortemp) FROM akdb.iotdatas WHERE date(datecreat)=datetemp) as maxt , (SELECT min(sensortemp) FROM akdb.iotdatas
获得上周只有最新数据,总结了一些列 我做出了表率与DAT,实际结果和预期。 http://rextester.com/HMB12638 --Taking first as example..
-- user contact barcode date in out dif
-- 1 USER2 Guillermo Tole 987654 16.06.2017 05:27:00 50