This Powerful SQL Join Hack Shocks Interviewers26 February 2026

In this SQL interview Question Learn how to convert OUTER JOIN to INNER JOIN in SQL by adding a simple WHERE clause condition. In this video, we explore the common myth that adding WHERE right_table_column IS NOT NULL can effectively convert an OUTER JOIN to an INNER JOIN. We will delve into the details of how SQL joins work, the differences between OUTER and INNER JOINs, and provide examples to illustrate the concept. By the end of this video, you will understand the implications of using this method and be able to apply it to your own SQL queries. Whether you are a beginner or an experienced…