What is “serde” in “hive”?

684

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Explain about the smb join in hive?

719

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Compare hadoop & spark?

263

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What are ‘reduces’?

701

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

601

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How do ‘map’ and ‘reduce’ work?

645

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Explain the input type/format in mapreduce by default?

577

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What is difference the between sqoop and distcp?

1

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Can you explain edge nodes in hadoop?

435

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Explain some important features of hadoop?

443

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Why do we need hadoop for big data analytics?

431

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What are the important modes of hadoop?

536

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Can you explain the common input formats in hadoop?

523

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Explain how are file systems checked in hdfs?

46

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What are the different catalog tables in hbase?

172

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