December 1998
Beginner to intermediate
360 pages
6h 56m
English
book
Data Warehousing: Architecture and Implementation
by Mark Humphries, Michael W. Hawkins, Michelle C. Dy
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Chapter 2. Data Warehouse Concepts
In this chapter, we look briefly at how computing has changed its focus from operational to decisional concerns. We also define data warehousing concepts, and cite the typical reasons for building data warehouses.
Gradual Changes in Computing Focus
In retrospect, it is easy to see how computing has shifted its focus from operational to decisional concerns. The differences in operational and decisional information requirements presented new challenges that old computing practices could not meet. Below, we elaborate on how this change in computing focus became the impetus for the development of data warehousing technologies.
Early Computing Focused on Operational Requirements
The Business Cycle (depicted in Figure ...
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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.