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Sally in data processing uses __________ to cleanse and prepare the data.

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Sally in data processing uses __________ to cleanse and prepare the data.

(a) Pig

(b) Hive

(c) HCatalog

(d) Impala

I have been asked this question during an interview.

I would like to ask this question from HCatalog with Hadoop topic in chapter Apache Spark, Flume, Lucene, Hama, HCatalog, Mahout, Drill, Crunch and Thrift of Hadoop

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Right option is (a) Pig

The best I can explain: Without HCatalog, Sally must be manually informed by Joe when data is available, or poll on HDFS.

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