&gt;&gt;  to write all your business logic in Oracle PLSQL.<p>I&#x27;ve noticed this (all logic in the db) is common among those developing financial applications.  Also .net ms sql server seems to favor it as well. Maybe because they overlap.  It&#x27;s not an inherently bad thing to put business logic in the db; auditing and logging can be simpler, and change control can be more tightly enforced.  Be aware that as a developer, it&#x27;s really common to eschew things not in your code, and check your prejudices. Are they well founded?