MongoDB doesn’t need a big introduction. It’s one of the fastest-growing databases in the market, and for a good reason. MongoDB has a unique approach to working with data by focusing on flexibility.
Offering Flexibility
Compared to a relational database like MySQL that uses well-defined tables to store data, MongoDB offers more flexibility by storing the data in JSON-like objects. The objects are then stored in collections. Two objects from the same collection can have different data-fields. For example, we can have the next two objects in the same collection: