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

Using the Aggregate Persistence Wizard


Designing and creating the aggregate tables is not an easy task. Especially, creating the aggregate dimension tables and aggregating the fact tables will take some time. You'll have to think about the joins as well.

There's a utility called Aggregate Persistence in BI Administration Tool. This utility will help us create the aggregate tables and load the precomputed data into them automatically. But you'll have to reflect all changes to the ETL process. Once this wizard is executed, the aggregate tables are going to be created in the database. Also, summary data will be calculated and it's going to be inserted into the aggregate tables. Obviously these tables should be imported into the BI repository and the physical joins should be created. These two steps are going to be done automatically too. The next step is reflecting the changes in the BMM Layer. Actually, Aggregate Persistence Wizard will do this task too. As a summary, it's a completely automated...