Assessing the Impact of Apache Hive Apache Hive Changes in CDPYou need to know where your tables are located and the property changes that the upgrade process makes. You need to perform some post-migration tasks before using Hive tables and handle semantic changes.Apache Hive key featuresMajor changes to Apache Hive 2.x improve Apache Hive 3.x transactions and security. Knowing the major differences between these versions is critical for SQL users, including those who use Apache Spark and Apache Impala.Apache Hive 3 architectural overviewUnderstanding Apache Hive 3 major design features, such as default ACID transaction processing, can help you use Hive to address the growing needs of enterprise data warehouse systems.Handling Semantic and Syntax Changes You need to perform a number of migration-related changes due to semantic changes between previous versions of Hive running in CDH or HDP and Hive 3 in CDP. A couple of syntax changes in Hive 3, related to db.table references and DROP CASCADE, might require changes to your applications.Unsupported Interfaces and FeaturesYou need to know the interfaces available in HDP or CDH platforms that are no longer supported in CDP. Some features you might have used are also unsupported.