Index scan vs index seek and when they occur

Index scan vs index seek and when they occur

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 seek happens when the database jumps directly to matching rows using the index. This is fast and efficient. An index scan means the database scans a large part or all of the index. Scans happ...

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