Hadoop MCQ Number 00952

Hadoop MCQ Set 1 1. Serialization of string columns uses a ________ to form unique column values. a) Footer b) STRIPES c) Dictionary d) Index AnswerAnswer: c [Reason:] The dictionary is sorted to speed up predicate filtering and improve compression ratios. 2. Point out the correct statement : a) The Avro file dump utility analyzes…

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