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    <p>I have the feeling that you are trying to grab too much at once. It is fine to experiment with databases, TDD and UML diagrams; that in itself would IMHO be enough for a single project. This first experimental project will teach you a lot, based on which you will be able to do a much better job on the next project. But I would not expect this first try to bring results which can convince other developers to pick up TDD, and/or management to change its way of thinking. You need to understand and experience things at first yourself, before you can reasonably explain them to others.</p> <p>For advice on unit testing DB apps, see these threads for starters:</p> <ul> <li><a href="https://stackoverflow.com/questions/145131/whats-the-best-strategy-for-unit-testing-database-driven-applications">What’s the best strategy for unit-testing database-driven applications?</a></li> <li><a href="https://stackoverflow.com/questions/21583/unit-testing-databases">Unit-Testing Databases</a></li> <li><a href="https://stackoverflow.com/questions/202940/unit-tests-framework-for-databases">Unit tests framework for databases</a></li> <li><a href="https://stackoverflow.com/questions/2229486/testing-approach-db-junit">Testing approach - DB, Junit</a></li> </ul> <p>I am not sure what you mean by "prototyping via class diagrams". Class diagrams are fine for discussing / communicating your design to other developers, and should certainly be in the toolkit of every good developer. A whiteboard session with someone, sketching and erasing design elements on the fly is a great way to clarify the design and the forces influencing it. However, IMHO this is "prototyping" only in a very broad sense. A real prototype to me is code - that is the only way to verify whether or not your design really works in practice.</p>
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    1. POWhere to start with the development of first database driven Web App (long question)?
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