Book Image

Oracle Essbase 9 Implementation Guide

Book Image

Oracle Essbase 9 Implementation Guide

Overview of this book

The hot new data analysis trends involve business intelligence and analytics. The technology that supports business intelligence and analytics better than anything else is today's multidimensional OLAP technology ñ and there is none better than Oracle Essbase! Although storing data in a cube and developing analytical applications leaves many people grasping for understanding, especially if their experience is with relational databases, embracing OLAP technology will pay big dividends in the long run. It's easy to develop multidimensional analytic OLAP solutions when you have got this Oracle Essbase book to hand. It is a step-by-step guide to timeless Essbase fundamentals, which takes you from a basic software installation through to launching a fully functioning Essbase database cube. This book will guide you through every stage of installing Oracle's Essbase software on your analytic server, the Essbase Administration Services client, and the client software itself. You will learn, in easy-to-understand language, the concepts of multidimensional database technology as you are taken step by step through building an actual Essbase application complete with database, database calculation scripts, and database report scripts. Once you have your system built and functional, the next course of instruction covers the available automation features included in your Essbase software package and how to use them. These chapters alone are worth the price of admission! As an IT professional you quite rightly have a desire to understand multidimensional OLAP ñ this book gives you that understanding. Should you wish to embark on an exciting career as an Essbase developer/administrator, this book provides a fantastic foundation from which to grow. Best of all, this book is filled with the tips and tricks that you can only get from many years and countless hours spent playing with Essbase. You get them all in just the time it takes you to complete this book.
Table of Contents (18 chapters)
Oracle Essbase 9 Implementation Guide
Credits
About the Authors
About the Reviewer
Acknowledgements
Preface

Types of data sources


A typical data source for your Essbase database can contain many bits of information. Unlike traditional relational databases, Essbase data sources can be actual data values or they can be metadata. Because you can update your database outline dynamically with the same data that you ultimately load, data sources in Essbase take on a completely different meaning than in other types of systems. When talking about data sources in Essbase, any of the following can be considered.

Type of data

The data loaded into Essbase can be of two types, one is to load the data into the cube and the other is to update the outline of the cube:

  • Data loads: These are the actual data values. This would be the numeric value of one of the existing measures in the database. This type of Essbase data source is usually the only usable type of data source in a traditional relational database.

  • Dimension build loads: Information in the data that can actually be used to update the outline's member...