What do you understand by super key, candidate key, primary key and foreign key in the context of database management systems?

What do you understand by super key, candidate key, primary key and foreign key in the context of database management systems?

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, mindtree, company-specific

目标公司: Mindtree

参考答案摘要

Super key: Super Key is a set of attributes that can be used to uniquely identify a tuple. The super key is created by adding zero or more attributes to the candidate key. A candidate key is a super k...

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