Book Image

Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology

By : John Heaton
Book Image

Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology

By: John Heaton

Overview of this book

Oracle Database 11g is a comprehensive database platform for data warehousing and business intelligence that combines industry-leading scalability and performance, deeply-integrated analytics, and embedded integration and data-quality all in a single platform running on a reliable, low-cost grid infrastructure. This book steps through the lifecycle of building a data warehouse with key tips and techniques along the way. Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology outlines the key ways to effectively use Oracle technology to deliver your business intelligence solution. This is a practical guide starting with key recipes for project management then moving onto project delivery. Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology is a practical guide for performing key steps and functions on your project. This book starts with setting the foundation for a highly repeatable efficient project management approach by assessing your current methodology to see how suitable it is for a business intelligence program. We also learn to set up the project delivery phases to consistently estimate the effort for a project. Along the way we learn to create blueprints for the business intelligence solution that help to connect and map out the destination of the solution. We then move on to analyze requirements, sources, and data. Finally we learn to secure the data as it is an important asset within the organization and needs to be secured efficiently and effectively.
Table of Contents (21 chapters)
Business Intelligence Cookbook: A Project Lifecycle Approach Using Oracle Technology
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface

Abstracting your tables using aliases


Aliases are a standard way to abstract a physical table within OBIEE. Therefore a single table can be referenced multiple times by using an alias.

Getting ready

Open the BI Administration tool. Import all the tables which are required.

How to do it...

Abstraction allows you to reference an object using a different name. This is effective if you wish to reference the same object multiple times for different reasons (roles).

  1. 1. Expand your connection under the physical model.

  2. 2. Select your table, right-click on it, and select New Object | Alias:

How it works...

In OBIEE, it is best practice to use an alias with all your tables. Aliases are useful for the following purposes:

  • Self joins to a table. Thus, you can create multiple aliases on the same table.

  • Tables can be reused multiple times; for example, a time dimension may connect to the fact table on multiple dates (open date, closed date, order date, and so on). You would not want multiple tables with the...