In simple terms, fragment-level statistics allows storage of column data distributions per fragment, and building the table level from its constituent fragments.
简单来说，片段级统计允许按片段存储列数据分布，并从组成的片段中构建表级别。
In simple terms, fragment-level statistics allows storage of column data distributions per fragment, and building the table level from its constituent fragments.
简单来说，片段级统计允许按片段存储列数据分布，并从组成的片段中构建表级别。
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