Assessing the Impact of Apache Hive 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.Identifying semantic changes and workarounds As SQL Developer, Analyst, or other Hive user, you need to know potential problems with queries due to semantic changes. Some of the operations that changed were not widely used, so you might not encounter any of the problems associated with the changes. 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.