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                * SQL是一種傳統的用來進行數據分析的標準 * Hive是原始的SQL-on-Hadoop解決方案 * Impala:和Hive一樣,提供了一種可以針對已有Hadoop數據編寫SQL查詢的方法 * Presto:類似于Impala,未被主要供應商支持 * Shark:Spark SQL的前身,設計目標是作為Hive的一個補充。其缺陷是:對Hive的改造,繼承了大量Hive代碼,給優化和維護帶來了大量的麻煩 ![](https://img.kancloud.cn/31/9b/319bfa5ae41c9b949c889c3deb2c0420_826x311.png) * Phoenix:基于HBase的開源SQL查詢引擎
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