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_________ allows database-like access, and in particular a SQL interface.

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_________  allows database-like access, and in particular a SQL interface.

(a) JBatch

(b) Calcite

(c) Blur

(d) All of the mentioned

I got this question in examination.

My enquiry is from Hadoop Incubators in chapter Incubator Projects, Chuckwa, Ambari, Knox and Hadoop Development Tools of Hadoop

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Best answer
The correct choice is (b) Calcite

The best I can explain: Calcite also provides advanced query optimization, for data not residing in a traditional database.

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