MongoDB Aggregation Compass | Demo | Examples | Best Practices | Concepts

Understand mongodb aggregation commands, mongodb aggregation stages, mongodb aggregation pipeline and mongodb aggregation operators.

Why Aggregation ? - 00:53
What is aggregation ? - 02:06
Mongodb aggregation mapping with SQL - 3:21
Widely used Aggregation stages - 4:00
Example and Queries - 7:03
Compass Demo - 10:08
Best practices - 17:56
Upcoming Topics - 19:16

Get answers to following questions:
What is aggregation in MongoDB?
How fast is MongoDB aggregation?
Where is aggregate in MongoDB?
What is aggregation method?
What is difference between find and aggregate in MongoDB?
How does Mongodb improve aggregation performance?
How does MongoDB handle large data?

The link to the dataset used in this video is given below ( taken from mongodb official documentation):

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[omega.developer]

Very clean explaination sir.
I like your videos..!

[hectorrosales]

Desde México, muchas gracias por el video me ayudo mucho, saludos.

[rajatjain]

Sir how can we use $lookup. I want to use that. like to update one field in one collection and it automatically updates in all collections that are linked with the previous one.

[datadriver]

want to select an amount from the collection where the amount is greater than a limit(for example 10000), and the amount is in string format.

[inspectatech]

How do I use the saved pipeline? Should i use the shell? where can i see more than "sample" results in compass? I haven't found a video that teaches this that explains what to do with the newly constructed pipeline.

[vidhyasuresh]

hello sir i have placement record details (around215) when i used match command it shows only 20 document even i have more than that. and also how to use nested queries sir please

[NanduriSree]

How can i find the difference of Timestamp field for two documents in the given collection where msgID field is same in both documents in the same collection.

[koti]

Hi Neeraj...can you please explain how to join more than one collection and fetch data

[qureshiowais]

return state above 10m pop. can we use simple find ?

[gamemusicmeltingpot]

after creating pipeline, how do you run it?