Is a SELF JOIN an INNER JOIN or an OUTER JOIN?

Is a SELF JOIN an INNER JOIN or an OUTER JOIN?

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: intellipaat, sql, topic-specific, sql, database

参考答案摘要

The SELF JOIN can be an INNER JOIN, OUTER JOIN, or a CROSS JOIN. SELF JOIN is used to link tables automatically based on columns that contain duplicate data in multiple rows.

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