"Understanding Joins in SQL: A Crucial Tool for Data Analysis"

Joins are a fundamental concept in SQL that enable you to combine data from multiple tables based on relationships. This operation is essential for relational databases where data is often normalized into separate tables. By understanding the different types of joins, such as INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN, you can retrieve data effectively and perform complex queries.

Source: https://dev.to/mrcaption49/joins-in-sql-454i