mysql group by 多个字段进行分组并获取最新一条的记录

select a.ZNCC_QTNDJL_QTNDZT AS znccQtndjlQtndzt, count(*) AS count, GROUP_CONCAT(ZNCC_QTNDJL_CFNM,':',b.XT_CFXX_CFBH) AS znccQtndjlCfbh FROM (SELECT * FROM (SELECT * FROM ZNCC_QTNDJL ORDE
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