Book Image

Oracle Business Intelligence 11g R1 Cookbook

By : Cuneyt Yilmaz
Book Image

Oracle Business Intelligence 11g R1 Cookbook

By: Cuneyt Yilmaz

Overview of this book

<p>Extracting meaningful and valuable business information from transactional databases is crucial for any organization. OBIEE 11g is a reporting tool that satisfies all the business requirements regarding complex reporting. It consists of a powerful back-end engine with a repository and a highly customizable graphical web interface.</p> <p>Oracle Business Intelligence 11g R1 Cookbook provides all the key concepts of the product including the architecture of the BI Server. This practical guide shows each and every step of creating analytical reports starting from building a well-designed repository. You will learn how to create analytical reports that will support different business perspectives. <br /><br />This practical guide covers how to implement OBIEE 11g suite in order to enable BI developers to create sophisticated web based reports. All of tasks will be covered step by step in detail. <br /><br />You will explore the architecture of the Oracle Business Intelligence Server and learn how to build the repository (RPD). We will also discuss how to implement the business rules in the repository with real-life scenarios.</p> <p>Best practices of a successful BI implementation are esssential for any BI developer so they are also covered in depth.If you are planning to implement OBIEE 11g suite, this step-by-step guide is a must have resource.All the key tasks are defined in detail and supported with diagrams and screenshots.</p>
Table of Contents (19 chapters)
Oracle Business Intelligence 11g R1 Cookbook
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Best practices of the Business Model and Mapping layer


The Business Model and Mapping layer is responsible for the business rules and it depends on the Physical layer objects. The BI server is going to generate SQL statements based on the BMM layer objects. Obviously, the objects defined in this layer may positively improve the performance. We have to design all the BMM layer objects carefully. Here are the some types of the objects that are used in this layer:

  • Logical dimension tables

  • Logical fact tables

  • Logical table sources

  • Logical dimensions

  • Calculated measure columns

How to do it...

  1. Although the BMM layer objects are transparent to the end users, one should create logical dimension and fact tables with meaningful names and use prefixes to distinguish them from each other.

  2. Ensure that the levels of hierarchies are set to logical columns correctly. All the dimension levels should be mapped with the logical table columns. In the case of unmapped levels, business users are going to have issues...