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理解索引：索引优化
source link: https://juejin.im/post/5b14e0fd6fb9a01e8c5fc663
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最近有个需求，要修改现有存储结构，涉及查询条件和查询效率的考量，看了几篇索引和HBase相关的文章，回忆了相关知识，结合项目需求，说说自己的理解和总结。 错过的朋友可以先回顾下前3篇文章： 索引结构和数据定位过程 查询过程和高级查询 执行计划详细介绍 上
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