Assuming the statements above execute successfully, which one of the following statements is true?

Examine the following Hive statements:

Assuming the statements above execute successfully, which one of the following statements is true?
A . Each reducer generates a file sorted by age
B . The SORT BY command causes only one reducer to be used
C . The output of each reducer is only the age column
D . The output is guaranteed to be a single file with all the data sorted by age

View Answer

Answer: A