Explain how columnar storage increases query speed.

Explain how columnar storage increases query speed.

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: hard

标签: interviewbit, data-engineer, topic-specific, data-engineering

参考答案摘要

Since it dramatically reduces total disc I/O requirements and the quantity of data you need to load from the disc, columnar storage for database tables is a critical factor in increasing analytic quer...

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