Limits and Restrictions on Documents

So far, we have discussed the importance and benefits of using documents. Documents play a major role in building efficient applications, and they improve overall data usability. We know how documents offer a flexible way to represent data in its most natural form. They are often self-contained and can hold a complete unit of information. The self-containment comes from nested objects and arrays.

To use any database effectively, it is important to have the correct data structure. The incorrect data structures you build today may result in lots of pain in the future. In the long term, as your application's usage grows, the amount of data also grows, and the problems that seemed very small initially become more evident. Then comes the obvious question: how do you know whether your data structure is correct?

Your application will tell you the answer. If, to access a certain piece of information, your application must execute multiple queries...