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Apache _________ provides direct queries on self-describing and semi-structured data in files.

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Apache _________ provides direct queries on self-describing and semi-structured data in files.

(a) Drill

(b) Mahout

(c) Oozie

(d) All of the mentioned

I had been asked this question by my school principal while I was bunking the class.

The doubt is from Drill with Hadoop topic in section Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop

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Right answer is (a) Drill

For explanation: Users can explore live data on their own as it arrives versus spending weeks or months on data preparation, modeling, ETL and subsequent schema management.

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