Manually creating an APEX form

Using the APEX Create Form wizards to create the different types of forms we need, based on a variety of resources available to us, can save us a lot of time consuming manual work by not having to create these forms from scratch. However, as we saw, the APEX wizards don't always support all the options we need. It seems like the most common cases are the need to use a Primary Key that is more complex (compound) than the ones supported by the APEX wizards, or the need to use multiple database tables as the source of our tables.

We can manually create every APEX Form element we encountered so far while using the Create Form wizard, outside the wizard. We can create an APEX Form, starting from scratch, with only an empty application page. The first step will be to create a Form region, and then we can create our needed items and buttons in it. We follow this by creating the necessary rendering supported Computations and Processes. Next, just like in a wizard-generated...