SQL Interview Prep: Solve This Tricky NULL Problem | Leetcode Problem 2

Master SQL WHERE Clause and learn the crucial aspects of NULL handling in this comprehensive tutorial. Join us as we solve a practical LeetCode problem that reveals common pitfalls in SQL filtering.

In this hands-on tutorial, you'll learn:
• How to properly handle NULL values in WHERE clauses
• Why using = NULL doesn't work (and what to use instead)
• The correct usage of IS NULL in SQL queries
• Real-world application through the "Customer Referee" problem

Register now for our complete SQL course to master database fundamentals. Take advantage of our demo classes for one week and experience practical, industry-relevant training that will boost your data career.

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CHAPTERS:
00:00 - Find the Customer Referee
00:08 - Problem Statement
01:28 - SQL Query to Solve the Problem
05:24 - Summary