If The Field For Mapreduce Has The Sharded Value Mongodb Shards #602
If the ______ field for mapReduce has the sharded value, MongoDB shards the output collection using the _id field as the shard key.
This multiple choice question (MCQ) is related to the book/course gs gs112 MongoDB. It can also be found in gs gs112 Aggregation Concepts and Aggregation Mechanics - Map-Reduce and Sharded Collections - Quiz No.1.
If the ______ field for mapReduce has the sharded value, MongoDB shards the output collection using the _id field as the shard key.
input
$in
$out
none of the mentioned
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