Answer Posted / Ekta Agrawal
The main components of Apache Hive architecture are: 1. Hive Metastore: A central repository for managing metadata information about Hive tables, partitions, and their storage locations in various data warehouses like HDFS or external databases. 2. HiveQL (HQL) Compiler: A tool that translates SQL-like HQL queries into MapReduce jobs or Tez tasks to be executed by the Hadoop framework. 3. Driver: A Java program that acts as a client for executing HQL queries and communicates with the Hive Metastore and Hive Execution Engine. 4. Hive Execution Engine: The engine responsible for executing MapReduce jobs or Tez tasks to process the data stored in HDFS based on the query results.
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