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文章 2024-03-11 来自：开发者社区

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文章 2023-11-06 来自：开发者社区

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文章 2023-11-01 来自：开发者社区

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文章 2023-09-07 来自：开发者社区

数据库内核那些事｜细说PolarDB优化器查询变换：IN-List变换

文/陈江（恬泰）导读数据库的查询优化器是整个系统的"大脑"，一条SQL语句执行是否高效在不同的优化决策下可能会产生几个数量级的性能差异，因此优化器也是数据库系统中最为核心的组件和竞争力之一。阿里云瑶池旗下的云原生数据库PolarDB MySQL版作为领先的云原生数据库，希望能够应对广泛用户场景、承接各类用户负载，助力企业数据业务持续在线、数据价值不断放大，因此对优化器能力的打磨是必须要做的工作之....

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