Can impala do user-defined functions (udfs)?

39

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What is used to store data generally?

39

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State use cases of impala?

45

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How do I load a big csv file into a partitioned table?

42

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How does impala process join queries for large tables?

45

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Can I do insert … select * into a partitioned table?

40

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What happens if there is an error in impala?

243

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Is it possible to share data files between different components?

36

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Does if offer scaling?

31

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Is there a dual table?

44

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What load do concurrent queries produce on the namenode?

49

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How can it help for avoiding costly modeling?

38

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What is the use of expand cqlsh command in Cassandra?

77

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What is Kundera in Cassandra?

85

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What are the consistency levels for read operations in Cassandra?

96

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