A document is a set of ___

8. A document is a set of ___.

  1. Key-value pairs
  2. Application pairs
  3. Activity pair set
  4. None of the mentioned above

Answer: A) Key-value pairs


A document is a collection of key-value pairs that are stored together. Documents have a dynamic schema that changes over time. Using a dynamic schema, documents in the same collection do not all need to have the same set of fields or structure, and the same common fields across multiple documents in a collection may contain different types of data.

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