Question 1
What operator is used to join information from different collections?
Question 2
What must be handled when fetching a user channel profile using an aggregation pipeline?
Question 3
What is the primary purpose of the aggregation pipeline in MongoDB?
Question 4
Which example illustrates the usage of the `$lookup` operator in an aggregation pipeline?
Question 5
Why is it important to use the `$project` stage in an aggregation pipeline?
Question 6
Why is it suggested to write articles and share the video?
Question 7
Which fields are used in the `$lookup` stage to join collections?
Question 8
In the context of the aggregation pipeline, what does the `$match` stage do?
Question 9
What is the primary use of the `$addFields` stage?
Question 10
What operator is used to filter documents based on criteria in an aggregation pipeline?
Question 11
Which command is used to start writing an aggregation pipeline?
Question 12
How does the `$project` stage help in optimizing network traffic?
Question 13
What is a key advice mentioned for learning about aggregation pipelines?
Question 14
What would be the use of adding subscriber counts and channel subscriptions count fields with `$addFields`?
Question 15
What is the significance of learning with projects and code as emphasized in the video?
Question 16
What operator is used to handle counting operations within the aggregation pipeline?