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What is Spark SQL?

Question Posted / akhilesh kumar awasthi


What is Spark SQL?..

Answer / Rohit Kumar Bhadani

Spark SQL is an API for programming with structured data using SQL, offering optimized query execution for analytics applications. It includes a powerful optimization layer that rewrites complex logic into more efficient operations and a distributed data source Vendor APIs.

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More Apache Spark Interview Questions

Explain leftOuterJoin() and rightOuterJoin() operation in Apache Spark?

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What is the reason behind Transformation being a lazy operation in Apache Spark RDD? How is it useful?

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