Q. To avoid treating numeric or boolean literals as projection flags, use the _______ expression to wrap the numeric or boolean literals.

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Q. MongoDB treats the literals as projection flags, valid only in the _______ stage.

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Q. ______ expressions ignores the duplicate entries in each input array and the order of the elements.

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Q. Point out the correct statement.

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Q. ________ returns true if the input sets have the same distinct elements.

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Q. Which of the following accepts any number of argument expression?

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Q. Point out the wrong statement.

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Q. ________ returns a set with elements that appear in any of the input sets.

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Q. Which of the following performs a relative complement of the second set relative to the first?

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Q. $setIsSubset returns _______ if all elements of the first set appear in the second set, including when the first set equals the second set.

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Q. _______ accepts only single argument expression.

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Q. $allElementsTrue returns true if no element of a set evaluates to ____________

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Q. Comparison expressions return a boolean except for ________ which returns a number.

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Q. Point out the correct statement.

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Q. ______ returns true if the first value is less than the second.

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Q. $ne returns true if the values are not _______

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Q. $multiply __________ numbers to return the result.

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Q. _______ adds numbers to return the sum, or adds numbers and a date to return a new date.

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Q. _______ returns the remainder of the first number divided by the second.

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Q. String expressions, with the exception of ________ only have a well-defined behavior for strings of ASCII characters.

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