How to Use Hive Aggregation Functions to Return Matching Values from Two Columns

Unpivoting a Row with Multiple Status Change Date Columns in SQL: A Step-by-Step Guide to Denormalization and Unpivoting

Splitting Strings Using Regular Expressions and Explode Function in Hive

Understanding Hive Table Import Issues: Best Practices and Common Pitfalls for Smooth Data Transfer from One Server to Another