If all documents for the $min operation have null value for the field or are missing the field, the $min operator returns ____ for the minimum value.

If all documents for the $min operation have null value for the field

1.	If all documents for the $min operation have null value for the field or are missing the field, the $min operator returns ____ for the minimum value.
A.	1
B.	0
C.	null
D.	none of the mentioned
Answer» D. none of the mentioned

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If all documents for the $min operation have null value for the field or are missing the field, the $min operator returns ____ for the minimum value.

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