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
