Explanation:The data is split into ranges (based on the shard key) and distributed across multiple shards. 7. _____________ can be used for batch processing of data and aggregation operations.
A. Hive
B. MapReduce
C. Oozie
D. None of the mentioned
Answer:A
Explanation:The data is split into ranges (based on the shard key) and distributed across multiple shards. 7. _____________ can be used for batch processing of data and aggregation operations.
A. Hive B. MapReduce C. Oozie D. None of the mentioned
Explanation:The aggregation framework enables users to obtain the kind of results for which the SQL GROUP BY clause is used. 8. MongoDB supports fixed-size collections called ____________ collections.