Differentiate between super key and primary key?

Differentiate between super key and primary key?

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, jp-morgan, company-specific

目标公司: JPMorgan Chase

参考答案摘要

| Super Key | Primary Key | | --- | --- | | Super key is an attribute (or set of attributes) that uniquely identifies all attributes in a relation. | Primary Key is a minimum set of an attribute (or s...

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