The structure of a MongoDB database
MongoDB is arguably the most used NoSQL database today – its power, ease of use, and versatility make it an excellent choice for large and small projects; its scalability and performance enable us to be certain that at least the data layer of our app has a very solid foundation.
In the following sections, we will take a deeper dive into the basic units of MongoDB: the document, the collection, and the database. Since this book is taking a bottom-up approach, we would like to start from the very bottom and present an overview of the simplest data structures available in MongoDB and then take it up from there into documents, collections, and so on.
Documents
We have repeated numerous times that MongoDB is a document-oriented database, so let’s take a look at what that actually means. If you are familiar with relational database tables (with columns and rows), you know that one unit of information is contained in a row, and we...
