What is the role of MongoDB in an online MCA?

MongoDB is a document-oriented database that stores data in flexible document structures. It can be useful when learning modern application architectures and NoSQL concepts. The practical value of MongoDB becomes clearer when you use it to solve an actual problem instead of studying definitions alone. This point is specifically relevant to the MongoDB aspect of MCA study. For this specific question about MongoDB, the practical takeaway is to relate the concept to your own MCA learning goal. In other words, this guidance addresses: What is the role of MongoDB in an online MCA?