In the last hive tutorial, we studied the Hive View & Index. In this blog, we will learn the whole concept of Apache Hive UDF (User-Defined Function). Also, we will learn Hive UDF example as well as be testing to understand Hive user-defined function well. What is Hive UDF?Basically, we can use two different interfaces for writing Apache Hive User Defined Functions. Simple API Complex API As long