Answer / Shanu Gupta

A Hadoop Archive (HAR) or Hadoop Archive File (.har) is a ZIP-like container used for distributing files to multiple nodes in a Hadoop cluster.

Can you give us some examples, how Hadoop is used in real time environment?

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What is CTAS Table in Hive?

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What are collection data types in Hive?

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UPPER or UCASE function in Hive with example?

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When to use explode in Hive?

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Explain SHOW and DESCRIBE Commands in Hive?

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Mention what is the difference between Hbase and Hive?

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Is it possible to use the same metastore by multiple users, in case of the embedded hive?

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Is hive similar to sql?

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How to optimize Hive Performance?

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How data transfer happens from HDFS to Hive?

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Is hive suitable to be used for oltp systems? Why?

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