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Oracle Business Intelligence Enterprise Edition 12c

You're reading from   Oracle Business Intelligence Enterprise Edition 12c Build your organization's Business Intelligence system

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Product type Paperback
Published in Apr 2017
Publisher Packt
ISBN-13 9781786464712
Length 578 pages
Edition 2nd Edition
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Authors (2):
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Adrian Ward Adrian Ward
Author Profile Icon Adrian Ward
Adrian Ward
Haroun Khan Haroun Khan
Author Profile Icon Haroun Khan
Haroun Khan
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Toc

Table of Contents (18) Chapters Close

Preface 1. Oracle BI 12c Architecture FREE CHAPTER 2. Installing the Prerequisite Software 3. Installing on Windows Server 2012 4. Reviewing the Features of the Reporting Repository 5. Installing and Configuring Client Tools 6. Understanding the Systems Management Tools 7. Developing the BI Server Repository 8. Creating Dashboards and Analyses 9. Agents and Action Framework 10. Developing Reports Using BI Publisher 11. Usage Tracking 12. Improving Performance 13. Using the BI Admin Change Management Utilities 14. Ancillary Installation Options 15. Reporting Databases 16. Customizing the Style of Dashboards 17. Upgrading to 12c

Theories and models

It is said that creating a database is more about art than it is about science. I tend to agree with this. However, a number of theories and rules have evolved over the last 40 years that are worth understanding before attempting to build a database for an Oracle Business Intelligence system.

From an overall design perspective, there are two scientific types of database:

  • Transactional databases
  • Reporting databases

A transactional database is designed for the input and update of data, usually in small, high volume changes to the data; whereas a reporting database is designed for fast access to data, which can be transformed into useful information for decision-making. The common name for a reporting database is the data warehouse (a phrase originally coined by Bill Inmon, the inventor of data warehousing).

The following diagram shows how tables in a transactional model are laid out. It shows a small extract of the system that will be used throughout this book, and is...

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