TO_AVOID_TREATING_NUMERIC_OR_BOOLEAN_LITERALS_AS_PROJECTION_FLAGS,_USE – McqOptions

MCQOPTIONS

1.	TO_AVOID_TREATING_NUMERIC_OR_BOOLEAN_LITERALS_AS_PROJECTION_FLAGS,_USE_THE_________EXPRESSION_TO_WRAP_THE_NUMERIC_OR_BOOLEAN_LITERALS.?$
A.	$literal
B.	$bool
C.	$unwin
D.	None of the mentioned
Answer» B. $bool

Discussion

No Comment Found

Related MCQs

MongoDB treats the literals as projection flags, valid only in the _______ stage.
To avoid treating numeric or boolean literals as projection flags, use the _______ expression to wrap the numeric or boolean literals.
________ applies an expression to each item in an array and returns an array with the applied results.
Which of the following stages cannot appear multiple times in a pipeline?
Which of the following returns the value that results from applying an expression to the last document?
$setIsSubset returns _______ if all elements of the first set appear in the second set, including when the first set equals the second set.
In MongoDB __________ mongos retrieves the results from each shard, performs a merge sort to order the results.
You can only use jsMode for result sets with fewer than 500,000 distinct key arguments to the mapper’s _______ function.
Which of the following mode defaults to false?
$allElementsTrue returns true if no element of a set evaluates to ____________