Aggregation in MongoDB


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Introduction

Aggregation operations are very important in any type of database whether it is SQL or NoSQL. To perform aggregations operations, MongoDB group values from multiple documents together and then perform a variety of operations on grouped data to return a single result. SQL uses aggregate functions to return a single value calculated from values in columns.

MongoDB has three ways to perform aggregation: the aggregation pipeline, the map-reduce function, and the single purpose aggregation methods.

In this article, we will focus on aggregation pipeline. I’ll try to cover each major section of it using simple examples. We will be writing mongo shell commands to perform aggregation. Continue reading “Aggregation in MongoDB”

CRUD operations using RESTful ASP.Net WebAPI and MongoDB


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Introduction

In my previous article, we did CRUD operations using MongoDB shell commands. As promised, here I am with this article sharing how to create RESTful Web API for CRUD operations in MongoDB using .NET drivers.

As you already know, MongoDB is the future of modern web applications and it is very important for .NET developers to get their hands on MongoDB drivers, so this article is my little effort in this direction. I hope you would like it and appreciate my work.

In this article, we are to going to create Web APIs for manipulating and performing CRUD operations on student resource of our project. Continue reading “CRUD operations using RESTful ASP.Net WebAPI and MongoDB”

MongoDb: A brief introduction


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Introduction

I read somewhere that MongoDB is the database for the modern web which induced a thought in me that what’s so special about this new database that everybody is talking about it and believe me when I started digging into this I really got impressed. So this article is dedicated to great MongoDB. In this article we will learn basics about MongoDB. I have tried to make things easier and clear to understand. I hope in the end of this article you will have enough understanding about MongoDB.

Continue reading “MongoDb: A brief introduction”