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Oracle APEX Best Practices by Learco Brizzi, Iloon Ellen-Wolff, Alex Nuijten

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Structure of multiple applications

When creating applications, the less repeating work is done, the better. Within an application you can use shared components for this purpose. If our application (or better said, system) consists of more application modules than one big application, we need another approach. Between multiple applications in the same workspace, we can use the less known subscribe feature of APEX.

By using the subscribe and publish mechanism of APEX, we can create a structure of multiple applications that can serve as a good starting point. Some benefits:

  • Better maintainable look and feel across multiple applications
  • The use of shared components across applications
  • Modular structure
  • Reusable centralized functionality, such as authorization, ...

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