1.

Point out the wrong statement.(a) HCatalog is a table and storage management layer for Hadoop that enables users with different data processing tools(b) There is Hive-specific interface for HCatalog(c) Data is defined using HCatalog’s command line interface (CLI)(d) All of the mentionedThe question was posed to me in an interview for internship.This interesting question is from Introduction to Hcatalog in chapter Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop

Answer»

Right option is (B) There is Hive-specific INTERFACE for HCATALOG

To elaborate: Since HCatalog uses Hive’s metastore, Hive can read DATA in HCatalog directly.



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