Questions tagged [mongodb-query]
This tag is for questions related to querying and updating MongoDB collections, either through the Mongo shell or using a programming language driver.
3
questions
0
votes
0
answers
10
views
Grouping and summing by condition from three mongodb collections
I have three mongodb collections. I would like to group the collections by date, month and year, then sum by condition in order to display totals from the three collections in one table. However, i ...
2
votes
0
answers
76
views
Return aggregated values
It's the first time a write a non-trivial mongodb query, and I came up with one that does work, but is 123 lines long! Surely there must be a way to write it in a more concise way.
The purpose of the ...
- 121
2
votes
1
answer
442
views
Aggregate query for drawing temporal statistic
I used to write simple Mongo queries, but this time I had to create an aggregate query. The purpose is to draw temporal statistic on the main page of my web app.
I'm not confident about his ...
- 287