Handle NULL value in SQL : is and is not operator in SQL with Interview Questions

In this video, we dive into the intricacies of handling NULL values in SQL, a crucial skill for anyone working with databases. Learn why regular comparison operators don't work with NULL, and discover the correct methods to check for NULL and non-NULL values using IS NULL and IS NOT NULL. We'll walk through practical examples using an employees table to illustrate these concepts clearly. By the end of this video, you'll have a solid understanding of how to manage NULL values effectively in your SQL queries. Don't forget to like, share, and subscribe for more insightful SQL tutorials!
Key Points Covered:
What are NULL values and what do they represent?
Why regular comparison operators (= and !=) don't work with NULL.
How to check for NULL values using IS NULL.
How to find non-NULL values using IS NOT NULL.
Notes Link-
docs.google.co...