Explanation:$last has the following syntax: { $last: }. 7. __________ returns the highest value from the group of values in documents.
A. $end
B. $last
C. $max
D. $maximum
Answer:A
Explanation:$last has the following syntax: { $last: }. 7. __________ returns the highest value from the group of values in documents.
A. $end B. $last C. $max D. $maximum
Explanation:$max returns the highest value that results from applying an expression to each document in a group of documents that share the same group by key. 8. Which of the following is syntax for calculating minimum value ?