Answer / Shashank Pandey

Impala is an interactive SQL query engine built on top of Hadoop that offers faster query response times compared to Hive and MapReduce. nGood use cases for Impala include: n- Real-time data processing and analysis, such as monitoring business metrics in near real-time.n- Interactive exploration and ad-hoc queries on large datasets without the need for ETL processes.n- Integrating with other big data tools like Apache Kafka or Apache Storm for stream processing tasks.

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