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…


This content is for paid premium members only.
You can view complete answer after activation your membership.


Need only one answers. Simply buy single day pass and email. We will send answers for this question.
Login Buy membership