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:A
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