20 Jun 2023 Tihomir Babic What Is a LEFT OUTER JOIN in SQL? An Explanation With 4 Examples Today’s article will discuss the LEFT OUTER JOIN in SQL. We’ll go through several examples of LEFT OUTER JOIN usage and compare it with INNER JOIN. A JOIN is an SQL feature that allows you to combine data from two or more tables. The nature of relational databases makes JOIN one of the most commonly used features in SQL. Why? In practice, you’ll very seldom have all the required data in one table. Read more 10 Mar 2020 Kateryna Koidan How to LEFT JOIN Multiple Tables in SQL Can you LEFT JOIN three tables in SQL? Yes, indeed! You can use multiple LEFT JOINs in one query if needed for your analysis. In this article, I will go through some examples to demonstrate how to LEFT JOIN multiple tables in SQL and how to avoid some common pitfalls when doing so. The best way to practice different types of joins is our interactive SQL JOINs course. It contains over 90 hands-on exercises that cover simple 2-table joins, joining multiple tables, LEFT JOIN, FULL JOIN, and many more. Read more