by Marc Clifton
A deep dive into the $lookup aggregator with examples of one-to-one, one-to-many, many-to-many, and nested relational "queries"
by Vikas Sharma
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.
by Vyacheslav Voronenko
Three approaches to store tree like structures with NoSQL databases in MongoDB
by DiponRoy
Quick start example to run DB and clients in docker