What is the difference between primary key and foreign key?

What is the difference between primary key and foreign 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, ey, company-specific

目标公司: Ernst & Young

参考答案摘要

| Primary Key | Foreign Key | | --- | --- | | Primary key ensures that data in the specific column is unique. | Foreign key is a column or group of columns used to link between data present in two tab...

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