Which of the following statements most accurately describes the relationship between MapReduce
and Pig?
A.
Pig provides additional capabilities that allow certain types of data manipulation not possible
with MapReduce.
B.
Pig provides no additional capabilities to MapReduce. Pig programs are executed as
MapReduce jobs via the Pig interpreter.
C.
Pig programs rely on MapReduce but are extensible, allowing developers to do special-purpose
processing not provided by MapReduce.
D.
Pig provides the additional capability of allowing you to control the flow of multiple MapReduce
jobs.
Explanation:
In addition to providing many relational and data flow operators Pig Latin provides
ways for you to control how your jobs execute on MapReduce. It allows you to set values that
control your environment and to control details of MapReduce such as how your data is
partitioned.
Reference:http://ofps.oreilly.com/titles/9781449302641/advanced_pig_latin.html(topic: controlling
execution)