---
title: "SQL Joins: 3+ Tables Made Simple"
url: https://daily.dev/posts/sql-joins-3-tables-made-simple-ur4ekhbdo
source_url: https://www.youtube.com/watch?v=9mw1aNk1gfk
type: video:youtube
source: "Database Star"
published: 2026-05-31T07:44:19.847Z
updated: 2026-05-31T07:56:52.757Z
tags: ["backend", "sql"]
reading_time: 5
upvotes: 0
comments: 0
language: en
---

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# SQL Joins: 3+ Tables Made Simple

**[Database Star](https://daily.dev/sources/database-star)** · 5 min read · 0 upvotes · 0 comments

## Summary

A four-step approach to joining three or more tables in SQL is presented using a customers, orders, and order items example. The steps are: define the output requirements, understand table relationships via foreign keys, join two tables first and verify results, then incrementally add more tables. Key decisions like choosing LEFT JOIN vs INNER JOIN based on requirements are explained, along with practical tips like using table aliases and understanding join order.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://www.youtube.com/watch?v=9mw1aNk1gfk>

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- [A modern guide to SQL JOINs](https://daily.dev/posts/a-modern-guide-to-sql-joins-rosc4xvc5) · Programming Digest · 58 upvotes · 1 comments

---

Tags: [#backend](https://daily.dev/tags/backend), [#sql](https://daily.dev/tags/sql)

[View this post on daily.dev](https://daily.dev/posts/sql-joins-3-tables-made-simple-ur4ekhbdo)