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Q2. What does JSON stand for? Can you give an example of a JSON object. Q3. What is the purpose of a "projection" in a find query for MongoDB?
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Q2. What does JSON stand for? Can you give an example of a JSON object. Q3. What is the purpose of a "projection" in a find query for MongoDB?

User Xhadon
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Answer:

Q2: JavaScript Object Notation

Q3: The $project function in MongoDB passes along the documents with only the specified fields to the next stage in the pipeline. ... The specification for $project command contain the inclusion of fields, the suppression of the _id field, the addition of new fields, and the resetting the values of existing fields.

Step-by-step explanation:

User Steve Ebersole
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