Spark UDF Tutorial | Create and Use User Defined Functions in Spark | Data Engineering
In this video, we will learn how to create and use User Defined Functions (UDFs) in Apache Spark. With hands-on examples, you'll understand when and why to use UDFs, how to register them, and how to apply them in Spark transformations. This is a must-watch for anyone working with custom logic in Spark SQL or DataFrame APIs.