🔥Mongodb Aggregation Tutorial | Aggregation Functions in Mongodb | Mongodb Tutorial | Simplicode

This video on Aggregation In MongoDB By Simplicode will help you understand the Aggregation functions and how they are used in MongoDB. We use Aggregation in MongoDB to Group values from multiple documents together. Perform operations on the grouped data to return a single result. Analyze data changes over time. Filter, Group, reshape, and sort are a few examples of aggregation functions in MongoDB. This MongoDB tutorial will help you learn the major fundamentals of MongoDB Aggregation functions and their various types with theoretical and practical examples for a better learning experience.

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What is MongoDB?
MongoDB is a cross-platform document-oriented database program that is open source. MongoDB, a NoSQL database program, uses documents that resemble JSON and may or may not have schemas. The Server Side Public License (SSPL), which is used to distribute MongoDB and is developed by MongoDB Inc., is viewed as non-free by some distributions.

What is Aggregation in MongoDB?
Aggregation in MongoDB is a way of processing many documents in a collection using passing them through different stages. The stages are collectively known as a pipeline. The stages in a pipeline can filter, sort, group, reshape and modify documents that pass through the pipeline.

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More businesses are using MongoDB development services, the most popular NoSQL database, to handle their increasing data storage and handling demands. The MongoDB certification course equips you with the skills required to become a MongoDB Developer. The MongoDB certification course makes you job-ready by helping you master data modeling, ingestion, query, sharding, and data replication with MongoDB, along with installing, updating, and maintaining the MongoDB environment. You will also gain proficiency in MongoDB configuration, backup methods, monitoring, and operational strategies.

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[sakarienuh]

TIP:
whenever you open a bracket/parenthesis always immediately close it without writing anything in first. Open the bracket > then close it> then go back to the closed bracket/parenthesis and write in it. in that way you wont confuse with how many brackets you need to close after u write everything and in the video thats why there was an error in the first example because there was one parenthesis missing.

[faroozrimaaz]

Underrated channel...he deserves million..very good explanation man..

[raghu]

where can we get the data that you are using?

[crysto]

Above code for list of department id @13:02 the output i m getting is { _id:department_id } not the whole list of ids..what m i doing wrong?

[wznjqbn]

Nice explanation... it's very useful to everyone ☺️

[likithathyagaraju]

Brother, iam getting repeated 2 times output for match command

[hooperholic]

Hi, how do you find the entry of department ID that occurs more than once

[krishd]

This is an explanation given like a amateur. I appreciate the efforts though. You did lots of syntax issue and you did not cover how you fixed it. Well professional like me can take advantage over internet but think about beginners. And you missed lots of other serious points.