MongoDB
C100DBA · Question #127
Suposse tou have the following collection with only 2 documents: If you run an aggregation query and use { $unwind: "$traits" } as the first stage, how many documents will be passed to the next stage
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MongoDB Fundamentals
Question
Suposse tou have the following collection with only 2 documents:
If you run an aggregation query and use { $unwind: "$traits" } as the first stage, how many documents will be passed to the next stage of the aggregation pipeline?
Exhibit
Options
- A3
- B5
- C4
- D2
- E1
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Topics
#aggregation pipeline#$unwind#array unwinding#document count