一张表中有三个值A/B/C，三者为A-B-C树状结构关系，如何查询出值C大于100的A值

原創 debugTest_ 2020-02-22 06:33
问题：一张表中有三个值A/B/C，三者为A-B-C树状结构关系，如何查询出值C大于100的A值
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