Can you give differences for the Primary key and Unique key in SQL?

Can you give differences for the Primary key and Unique key in SQL?

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, accenture, company-specific

目标公司: Accenture

参考答案摘要

| Primary key | Unique Key | | --- | --- | | It is a unique identifier for each row of a table. | It is a unique identifier for table rows in the absence of a Primary key. | | A single Primary key is ...

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