Book Image

IBM Cognos 10 Framework Manager

By : Terence Phillip Curran
Book Image

IBM Cognos 10 Framework Manager

By: Terence Phillip Curran

Overview of this book

"IBM Cognos 10 Framework Manager" is a complete practical guide to using and getting the best out of this essential tool for modeling your data for use with IBM Cognos Business Intelligence Reporting. With its step-by-step approach, this book is suitable for anyone from a beginner to an expert, complete with tips and tricks for better data modeling."IBM Cognos 10 Framework Manager" is a step by step tutorial-based guide; from importing your data to designing and improving your model, and creating your packages while working with other modelers, every step is presented in a logical process.Learn how to use the best design strategy to design your model, create an import layer, a modeling layer, and a presentation layer to make your model easy to maintain. Do you need to design a DMR model? No problem, this book shows you every step. This book can even make working with other users easier - we will show you the methods and techniques for allowing others to work on the same model at the same time. Need to create dynamic data structures to change the way the data is presented to your users so your French users can see the data in French, your German users in German, and your English users in English? You can do all this with parameter maps."IBM Cognos 10 Framework Manager" continues where the product manuals end, showing you how to build and refine your project through practical, step by step instructions.
Table of Contents (19 chapters)
IBM Cognos 10 Framework Manager
About the Author
About the Reviewer

Chapter 4. Modeling Relational Data

After importing the metadata from your relational data source, you must ensure that it meets the reporting requirements of your users. This chapter will cover the modeling of the relationships between the data tables.

The topics covered in this chapter include:

  • Dimension and fact tables

  • Cardinality

  • Determinants

  • Role playing dimensions

  • Loop joins

  • Reflexive and recursive joins

By the end of this chapter, you will have modeled the relationships between the tables in an imported relational data source.

During the import process Framework Manager can automatically create the relationships between tables for you. In this situation it is important to review the created relationships to ensure that they give the correct results for use by the report authors.

Most modelers will choose not to allow the import process to create the relationships between tables. As a result, the modeler must create the relationships themselves.

In creating relationships, Framework Manager uses...