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MongoDB MCQs

Which statement best describes $allElementsTrue?

Evaluates an array as a set and returns true if no element in the array is false

Evaluates an array as a set and returns true if no element in the array is null

Evaluates an array as a set and returns true if no element in the array is false. If the array contains a nested array then it performs the same operation on the nested array

Evaluates an array as a set and returns true if no element in the array is false. If a the array contains a nested array it does not descend into the nested array but evaluates the array at top-level

Answer

Correct Answer: Evaluates an array as a set and returns true if no element in the array is false. If a the array contains a nested array it does not descend into the nested array but evaluates the array at top-level

Explanation:

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