Multiple ChoiceIntermediate 30s
Aggregation Pipeline
Choose the best answer for: MongoDB aggregation
Options
- 1Aggregation is for SQL only and MongoDB has no aggregation framework
- 2Aggregation pipeline processes documents through stages ($match, $group)
- 3Aggregation is for indexing and builds indexes over the stored documents
- 4Aggregation replaces queries and there is no other way to read documents
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