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________ is a columnar storage format for Hadoop.(a) MRQL(b) NiFi(c) OpenAz(d) ParquetI have been asked this question in final exam.Question is taken from Hadoop Incubators in division Incubator Projects, Chuckwa, Ambari, Knox and Hadoop Development Tools of Hadoop

Answer» RIGHT choice is (d) Parquet

The explanation is: NiFi is a DATAFLOW system based on the concepts of flow-based programming.


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