Applying Case Clause In Spark SQL For Different Input Sources. Hive table As Input: Step 1: Create table using spark sql. Step 2: Insert values

Spark built-in data sources are json, parquet, jdbc, orc, libsvm, csv, text. Instead of using read API to load a file into DataFrame and query

In this blog we will see how to implement pivot clause in Spark SQL with an example. Pivot Clause : The PIVOT clause is used

Core Data Concepts – Part 1: We could classify data into three types structured, semi-structured and unstructured. Structured Data: Structured data will have fixed schema