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HCatalog is built on top of the Hive metastore and incorporates Hive’s is ____________(a) DDL(b) DML(c) TCL(d) DCLThis question was posed to me in unit test.My query is from Introduction to Hcatalog in portion Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop |
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Answer» RIGHT ANSWER is (a) DDL Explanation: HCatalog provides read and write interfaces for Pig and MapReduce and uses Hive’s COMMAND LINE interface for issuing data definition and metadata EXPLORATION commands. |
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