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

Developing level-based hierarchies


Hierarchies allow a person to start analyzing information from a summary level with the capability to expand nodes to gain additional details. They are an efficient way to give the user a lot of flexibility and control to view and understand the information.

Getting ready

Open the BI Administration tool.

How to do it...

Hierarchies comprise two main types within OBIEE, namely, Level-Based and Parent-Child. A level-based hierarchy has predefined levels and depth within the hierarchy, which are consistent. Parent-Child is a recursive hierarchy with no set levels or depth.

  1. 1. Identify all your tables and join them correctly, based on the key columns within the business model and mapping layer. If this is not done correctly, then the option to create a Dimension object will not exist.

  2. 2. Create your dimensions by right-clicking on the tables, and selecting New Object | Dimension with Level-Based Hierarchy:

  3. 3. Map your columns as normal.

  4. 4. In the properties of...