August 2015
Intermediate to advanced
664 pages
16h 53m
English
book
Expert Oracle Application Express, Second Edition
by John Scott, Nick Buytaert, Karen Cannell, Martin D’Souza, Doug Gault, Dimitri Gielis, Roel Hartman, Denes Kubicek, Raj Mattamal, Dan McGhan, Francis Mignault, Tom Petrus, Jorge Rimblas, Christoph Ruepprich
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CHAPTER 15
Working with APEX Collections
by Raj Mattamal
When writing applications, developers often need a way to store an unknown number of items in a temporary structure. The most pervasive example of this is the online shopping cart. When a user browses an online store, developers don’t know the number of items the user intends to purchase. To address this, application developers use collections to store these variable pieces of data.
The term collections itself is a rather general one. Many, if not most, programming techniques offer some method of storing variable collection–type data, and terms such as arrays, sets, and lists are common ...
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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.