Modification at the data level

Adding some attributes to business entity models is one of the most obvious changes in an information system. After all, it is almost impossible to consider every type of data a business would need. It is often recommended to create concise yet accurate models, as this approach facilitates easy evolution in subsequent stages. The principle of business alignment underscores the importance of adaptability and seamless progression in system development. Let’s check that the promise is kept by adding a few attributes to our models.

Adding a simple attribute

Let’s take as an example a list of addresses that are placed in the Contacts petal of the author data referential service “flower.” It happens that, for now, only the order in this list allows us to differentiate the addresses of the same author. This is enough to designate them uniquely, with URLs such as http://demoeditor.org/authors/jpgou/addresses/0, where the index...