December 2009
Intermediate to advanced
524 pages
13h 16m
English
book
Oracle Essbase & Oracle OLAP
by Michael Schrader, Dan Vlamis, Mike Nader, Chris Claterbos, Dave Collins, Mitch Campbell, Floyd Conrad
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CHAPTER 2OLAP Concepts and History
Chapter 1 introduced Essbase and Oracle OLAP, and showed how they both offer effective solutions for OLAP. The similarities between the products arise from a shared goal to provide business users with the technology they need to perform ad hoc analysis and to report on centralized data stored on a server. The differences between the two products stem primarily from who is responsible for (or “owns”) the OLAP solution, how it is implemented and accessed, and where the OLAP data is stored.
Essbase is owned and managed, generally speaking, by line-of-business users in partnership with the IT group. Essbase uses a multidimensional database stored on disk and in RAM. In contrast, the organization’s IT group typically ...
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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.
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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.