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mysql 为什么不推荐三张表以上的关联？
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MySQL - @Aresxue - 今天看到了一个说法说 mysql 不推荐三张表以上的关联，我觉得多表关联虽然可读性较差和耦合性较高，但是可以节省 IO 次数，减少执行时间从而提升接口的性能。
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