Oracle Visual Builder: Applications That Outlive Their First Release · Module 2 · The workspace and your first app
Preview, and what it is not
Lesson 17 of 176 · 2 min
What preview RUNS AS, WHOSE DATA IT USES, and THE DIFFERENCES FROM A PUBLISHED APPLICATION THAT CATCH PEOPLE OUT. Preview is how you will spend most of your time, and it is not the same thing as the application a user will run — which is where Lesson 8's third failure comes from. PREVIEW RUNS AS YOU, WITH YOUR ACCESS, AND THAT IS THE LARGEST DIFFERENCE. You are a developer with broad permissions; the user is not. So a page that works perfectly in preview can fail for the person it was built for — not because the page is wrong, but because they cannot read what it asks for. Module 12's territory, and it is invisible until somebody else opens the application. WHOSE DATA IT USES DEPENDS ON WHICH ENVIRONMENT THE SERVICE CONNECTION POINTS AT, AND THAT IS WORTH CHECKING RATHER THAN ASSUMING. A connection configured against a production…
The full lesson is part of the course
The video, the complete written lesson and the module quiz are included in Oracle Visual Builder: Applications That Outlive Their First Release, with a certificate on completion and a fourteen-day refund window.
In this module: Module 2 · The workspace and your first app
- 1The designer, and the four places you will live
- 2Applications, flows and pages
- 3Your first application, start to finish
- 4Preview, and what it is not
- 5The visual designer and the code behind it
- 6Naming, and why it matters more than it should
- 7The browser tools are your real debugger
- 8What breaks: the first-week mistakes
- 9Lab briefing · Build it, run it, break it