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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