What is schema evolution?

What is schema evolution?

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

One set of data can be kept in several files with various yet compatible schemas with schema evolution. The Parquet data source in Spark can automatically recognize and merge the schema of those files...

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