What Are SQL Joins? | Why Joins Are Needed in Databases | Explained With Examples
Because the data is distributed across multiple tables, we use SQL joins to combine rows from different tables using keys like Primary Key and Foreign Key.
In this video you will learn:
✔ What is a SQL Join
✔ Why joins are required in relational databases
✔ How normalized databases require joins
This concept is very important for SQL interviews, Data Analyst roles, and database fundamentals.
If you are learning SQL for Data Analytics, Data Science, or Interviews, this video will help you understand the core concept behind SQL joins.
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Chapters:
0:00 Intro
0:05 What is a Join?
0:40 Key Points of Join
2:34 Why do we need Joins
6:05 Bonus Points
7:17 Outro
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Outro Music Credits:
Island by Luke Bergs | / bergscloud
Music promoted by https://www.chosic.com/free-music/all/
Creative Commons CC BY-SA 3.0
https://creativecommons.org/licenses/...