Answer / Nishant Singh

Spark SQLContext is a programmatic interface for Spark SQL. It allows you to run SQL queries on your data frames and data sets, which are collections of data organized into named columns. It also provides the functionality to register DataFrames as temporary tables in Hive metastore.

Why is transformation lazy operation in Apache Spark RDD? How is it useful?

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Does spark use zookeeper?

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How can you compare Hadoop and Spark in terms of ease of use?

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Define Partitions?

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What is graphx spark?

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Name the languages which are supported by apache spark and which one is most popular?

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What is apache spark core?

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Explain apache spark streaming? How is the processing of streaming data achieved in apache spark?

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Can you list down the limitations of using Apache Spark?

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What is spark certification?

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Can we run spark on windows?

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Define Actions.

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