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Which of the following is correct about Pig?

Choose the correct answer from below option list

a) Pig may generate a different number of Hadoop jobs given a particular script, dependent on the amount/type of data that is being processed

b) Pig replaces the MapReduce core with its own execution engine

c) When doing a default join, Pig will detect which join-type is probably the most efficient

d) Pig always generates the same number of Hadoop jobs given a particular script, independent of the amount/type of data that is being processed

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a) Pig may generate a different number of Hadoop jobs given a particular script, dependent on the amount/type of data that is being processed

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