________ deconstructs an array field from the input documents to output a document for each element.
A. $unwindelem
B. $unwind
C. $unwin
D. None of the mentioned
The question was posed to me by my college professor while I was bunking the class.
This question is from Aggregation Operations in chapter Aggregation Concepts and Aggregation Mechanics of MongoDB
Right choice is C. $unwin
Best explanation: Each output document replaces the array with an element value.