Let's imagine that a client approaches you, wanting you to design a solution for them. They need some kind of banking application that has to guarantee data consistency within the whole system. Our client had been using an Oracle database until now and has also purchased support from their side. Without thinking too much, we decide to design a monolithic application based on a relational data model. You can see a simplified diagram of the system's design here:
There are four entities that are mapped into the tables in the database:
- The first of them, Customer, stores and retrieves the list of active ...
