Explanation:Like queries, aggregation operations in MongoDB use collections of documents as an input and return results in the form of one or more documents. 4. Documents enter a multi-stage __________ that transforms the documents into an aggregated result.
A. pipeline
B. pipelineView
C. pipelineUser
D. All of the mentioned
Answer:A
Explanation:Like queries, aggregation operations in MongoDB use collections of documents as an input and return results in the form of one or more documents. 4. Documents enter a multi-stage __________ that transforms the documents into an aggregated result.
A. pipeline B. pipelineView C. pipelineUser D. All of the mentioned
Explanation:MongoDB 2.2 introduced a new aggregation framework, modeled on the concept of data processing pipelines. 5. Point out the wrong statement :