July 2003
Intermediate to advanced
736 pages
16h 35m
English
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Returning a Strongly Typed Collection
The difficulty in building good object-oriented systems based on relational databases is the orthogonality between a relational database and an object-oriented structure. Databases are generally made of tables with rows and columns, and relationships are inferred from key columns. The closest analogy between a single object and a database is the row. The problem is that databases tend toward normalization, resulting in many pieces of what might comprise a single object existing in more than one table. The bending and contorting between rows of normalized data to objects, back and forth, is what makes it difficult to build object-oriented systems on top of relational databases.
On the one hand, you have the ...
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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.