MongoDB Aggregation Tutorial - $group by multiple fields

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In this course I teach all what you need to know about MongoDB and I start from the very beginning and explain how MongoDB works behind the scenes.
More than 7500 students have already joined it. Go ahead and join too! Happy Learning

Bogdan_Stashchuk
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Thank you very much, I learned a lot with your practical exercises. Greetings from Colombia

joseahumada
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Very nice explanation, thank you so much sir!

fullStackInKannada
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hey! do u have any idea how to write a MonogoDB query for time-series dataset to plot any graph on Grafana, Zeppline,

ayeshadhool
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Really great. I have your Udemy course too. It's great. Thank you

nickblooruk
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sir, how group with multi properties. like this?
post :
state :

slimefunoriginal
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it's great. Small clarification - i using $group concepts. It is below 100 records is returned all data it's working fine. But 3000 record is return empty from $group. What is mainly issues?

muralia
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I have no idea why i'm here I was just watching some mongoose videos.

pinkpidgeon