Explain the three-layer architecture of an ETL cycle.
Explain the three-layer architecture of an ETL cycle.
题目类型: 行为面试题
这是一道行为面试题，常见于澳洲IT公司面试中。
难度: easy
标签: interviewbit, etl-testing, topic-specific, etl, testing
参考答案摘要
Typically, ETL tool-based data warehouses use staging areas, data integration layers, and access layers to accomplish their work. In general, the architecture has three layers as shown below: Staging ...
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