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子查询case when 问题
xwz...@163.com
Thu, 10 Jun 2021 23:58:27 -0700
子查询case when 问题:
子查询嵌套后聚合值丢失,子查询中多个case when最后结果只有case when中的第一行值,且对case when后的值筛选不生效;
另外一条语句最后返回success,但无结果数据
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子查询case when 问题
xwz...@163.com
Re: 子查询case when 问题
Yaqian Zhang
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