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MySQL 【去重留一】一条sql语句完成 思路总结 - 命中水
source link: https://www.cxiansheng.cn/server/348
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前几天在做一个需求的时候，需要清理mysql中重复的记录，当时的想法是通过代码遍历写出来，然后觉得太复杂，心里想着应该可以通过一个sql语句来解决...
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