State difference between ETL and OLAP (Online Analytical Processing) tools.

State difference between ETL and OLAP (Online Analytical Processing) tools.

题目类型: 技术面试题

这是一道技术面试题，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

ETL tools: The data is extracted, transformed, and loaded into the data warehouse or data mart using ETL tools. Several transformations are necessary before data is loaded into the target table in ord...

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