Learn how to optimize SQL queries for NULL values by following some best practices and techniques, such as using IS NULL or IS NOT NULL operators, avoiding NOT IN with NULL values, and more.

When it comes to empty responses to requests, or returning null values from the action methods, the ASP.NET Core MVC framework returns HTTP Status Code 204, i.e., the “No Content” response.

Learn how to optimize SQL queries for NULL values by following some best practices and techniques, ... Check for NULL before using the value to avoid errors and unnecessary calculations. 3.