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CCD-333 · Question #3
CCD-333 Question #3: Real Exam Question with Answer & Explanation
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Question
Can you use MapReduce to perform a relational join on two large tables sharing a key? Assume that the two tables are formatted as comma-separated file in HDFS.
Options
- AYes.
- BYes, but only if one of the tables fits into memory.
- CYes, so long as both tables fit into memory.
- DNo, MapReduce cannot perform relational operations.
- ENo, but it can be done with either Pig or Hive.
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