The MongoDB Aggregation Framework Chapter 0 - Introduction and Aggregation Concepts
In this article i am gone to share MongoDB-University
Course: The MongoDB Aggregation Framework Chapter 0 - Introduction and
Aggregation Concepts Quiz Answer with you..
The Concept of Pipelines
Which of the following is true about pipelines and the Aggregation
Framework?
- Pipelines must consist of at least two stages.
- Stages cannot be configured to produce our desired output.
- Documents flow through the pipeline, passing from one stage to the next
- The Aggregation Framework provides us many stages to filter and transform our data
Aggregation Structure and Syntax
Which of the following statements is true?
- Only one expression per stage can be used.
- An aggregation pipeline is an array of stages.
- Some expressions can only be used in certain stages.
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