January 2003
Beginner
240 pages
6h 9m
English
book
Service- and Component-based Development: Using Select Perspective™ and UML
by Hedley Apperly, Ralph Hofman, Steve Latchem, Barry Maybank, Barry McGibbon, David Piper, Chris Simons
Content preview from Service- and Component-based Development: Using Select Perspective™ and UML
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Design data environments
The content of each data environment should be designed in detail. Design requires a close knowledge of the performance characteristics of the data environment to ensure that the non-functional constraints imposed on the data can be met. For example, while a data model in Third Plus Normal Form is considered an adequate analysis model, the data implementation in a relational database will usually be partially de-normalized to meet the performance requirements. If a non-relational database is used, then the final implementation may bear little resemblance to the logical data model; see Figure 6.3.
Figure 6.3. Example of a logical schema
In addition, capabilities such as the use of indices to support ...
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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.