数据湖数据仓库区别的相关内容

数据湖与数据仓库的区别

数据湖与数据仓库的区别数据仓库是一个优化的数据库，用于分析来自事务系统和业务线应用程序的关系数据。事先定义数据结构和 Schema 以优化快速 SQL 查询，其中结果通常用于操作报告和分析。数据经过了清理、丰富和转换，因此可以充当用户可信任的“单一信息源”。数据湖概念是2011年提出来的，最初数据湖...

大数据知识图谱系列—如何选择合适的OLAP引擎进行数据湖分析

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奈学：数据湖和数据仓库的区别有哪些？

储存方面：数据湖中数据为非结构化的，所有数据都保持原始形式；存储所有数据，并且仅在分析时再进行转换。数据仓库就是数据通常从事务系统中提取，在将数据加载到数据仓库之前，会对数据进行清理与转换。数据组织形式：数据湖就是捕获半结构化和非结构化数据。而数据仓库则是捕获结构化数据并将其按模式组织。用途：数...

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