What is an SQL JOIN, and what different types of joins exist?

What is an SQL JOIN, and what different types of joins exist?

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: medium

标签: interviewbit, data-analyst, topic-specific, data-analysis, analytics

参考答案摘要

An SQL JOIN combines rows from two or more tables based on a related column between them. The main types are INNER JOIN (returns matching rows), LEFT JOIN (all rows from the left table and matched row...

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