What is “serde” in “hive”?

761

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Explain about the smb join in hive?

771

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Compare hadoop & spark?

288

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What are ‘reduces’?

772

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Explain how do ‘map’ and ‘reduce’ work?

648

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How do ‘map’ and ‘reduce’ work?

707

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Explain the input type/format in mapreduce by default?

624

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What is difference the between sqoop and distcp?

1

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Can you explain edge nodes in hadoop?

476

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Explain some important features of hadoop?

491

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Why do we need hadoop for big data analytics?

476

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What are the important modes of hadoop?

581

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Can you explain the common input formats in hadoop?

572

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Explain how are file systems checked in hdfs?

55

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What are the different catalog tables in hbase?

180

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