The Beginner’s Guide to MongoDB Aggregation (With Exercise)
Posted on: 25/03/2022 by Juan Roy CoutoGet an understanding of the MongoDB Aggregation Framework and how to take advantage of indexes to speed up queries.
Author: Juan Roy Couto
Juan reinvented himself to become one of the current MongoDB Masters (https://www.mongodb.com/community/masters). He has got both MongoDB certifications, DBA and DEV. Currently, he works as a MongoDB DBA. Before that, he worked for 20 years as a developer for various financial companies. He likes to collaborate with the Madrid's MUG and also talking to tech communities. You can read him at twitter.com/juanroycouto.
How to Find & Filter MongoDB Array Elements Using $elemMatch
Posted on: 16/10/2020 (last updated: 06/09/2021) by Juan Roy CoutoLearn how to filter elements from arrays in MongoDB by using the $elemMatch operator alongside find(), $match, and the $project and $filter functions.
MongoDB Users and Roles Explained – Part 2
Posted on: 18/09/2018 (last updated: 04/08/2021) by Juan Roy CoutoPart 2 of our MongoDB Users & Roles Explained series walks you through how to enable access control on a three data-bearing node replica set, create the first user making use of the localhost exception, and grant the needed MongoDB roles.
MongoDB Users and Roles Explained – Part 1
Posted on: 18/09/2018 (last updated: 04/08/2021) by Juan Roy CoutoRead Part 1 of our MongoDB Users and Roles Explained series to learn about the basics of MongoDB authentication, authorization, and user and role management.
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