.. (לתיקייה המכילה) | ||
Can we assume that "trophies" != 0 in question 4.3? | |
Yes. |
Can we use $or,$and operators in question 4a? | |
You are allowed to use $or,$and operators in question 4a even though they were not taught in class. | |
קישור: Link: Ссылка: وصلة: | https://docs.mongodb.com/manual/reference/operator/query/or/ |
Can we use $avg operator in question 4b? | |
You are allowed to use $avg operator in question 4b even though it was not taught in class. | |
קישור: Link: Ссылка: وصلة: | https://docs.mongodb.com/manual/reference/operator/aggregation/avg/ |