MongoDB: Using lookUp() to merge reference relations
The $lookup Stage The $lookup stage in the aggregation pipeline allows us to perform a left outer join to a collection in the same database to filter in…
Many-to-Many Relations in MongoDB: The Complete Guide (with Examples)
The Fundamentals In relational databases, configuring many-to-many relationships between tables is a well-understood concept, involving a junction or join table. However, in document-based NoSQL databases like MongoDB, these…
One-to-Many Relations in MongoDB: The Ultimate Guide (with examples)
Introduction MongoDB, as a NoSQL database, provides a different approach to defining relationships between data points as compared to traditional relational databases. One common type of relationship in…
5 ways to mimic ENUM behavior in MongoDB (with examples)
Introduction MongoDB, a NoSQL database, is known for its flexible schema, which allows you to store documents without the need to define the structure of the data in…
MongoDB Shell: How to Execute Queries Saved in a File
Introduction MongoDB is a powerful NoSQL database favored for its scalability, flexibility, and performance. Developers often interact with it using the MongoDB Shell, better known as mongo, which…
3 ways to create a new database in MongoDB
Introduction MongoDB, as a leading NoSQL database, offers flexibility in managing and storing data. While defining a database schema upfront isn’t required, you may want to create a…
How to migrate from MySQL to MongoDB
Introduction Migrating from a traditional relational database like MySQL to a NoSQL database such as MongoDB requires understanding the differences between the two and careful planning. The following…
MongoDB: 3 ways to dump/export a database to a JSON or CSV file
Introduction MongoDB, being a leading NoSQL database, offers powerful ways to export data in various formats, including JSON and CSV. Exporting data is crucial for tasks like data…
When not to use MongoDB and why?
Introduction MongoDB is a popular NoSQL database widely used for its flexibility, scalability, and performance. However, it is essential to know that it might not always be the…
What is the Default Port of MongoDB and How to Change It
Overview MongoDB, a prominent NoSQL database used for high volume data storage, operates over a default port which is essential for connections between your application and the database…
