September 2006
Intermediate to advanced
562 pages
18h 33m
English
book
Oracle JDeveloper 10g for Forms & PL/SQL Developers: A Guide to Web Development with Oracle ADF
by Peter Koletzke, Duncan Mills
Content preview from Oracle JDeveloper 10g for Forms & PL/SQL Developers: A Guide to Web Development with Oracle ADFBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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How Do I Define Business Rules?
So far, this chapter has covered the basics of ADF Business Components. It has tackled the core issues of both read-only and updateable queries, but it has not discussed the definition of any rules or logic associated with that basic activity. For most applications, we can consider three levels of business logic:
Database referential integrity constraints These are referential integrity rules defined through relationships in the database that enforce structural aspects of the relational data itself, for example, “Each employee must be assigned to a department that actually exists.”
Basic data content validations ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.