What is an index and why can indexing slow down INSERT/UPDATE/DELETE?

What is an index and why can indexing slow down INSERT/UPDATE/DELETE?

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, dbms, topic-specific, database

参考答案摘要

An index is a data structure that helps the database find rows faster without scanning the full table. It improves read performance by reducing the amount of data searched. However, every time you ins...

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