Apache Hive being batch processing engine, does not support primary, foreign or unique key constraints. You can insert the duplicate records in the Hive table. There are no constraints to ensure uniqueness or primary key, but if you have a table and have loaded data twice, then you can de-duplicate in several ways. Below methods explain you how to identify and Remove duplicate records or rows from Hive table. Remove Duplicate Records from Hive Table Apache Hive does not provide support to many functions or internal columns that are supported…