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
Credits
About the Author
Acknowledgement
About the Reviewer
www.PacktPub.com
Preface
Index

Determinants


Determinants are one of the most confusing aspects of Framework Manager and are therefore the least understood. As a result, many modelers will never use or create them. However, determinants can play an important role in the performance of your Framework Manager model.

Determinants allow a table with one level of detail (or granularity) to behave as if it has a completely different level of detail. Generally determinants will be used with dimension tables, where fact tables join the dimension table at more than one level in the dimension.

A common example of where determinants would be used is with a date dimension table, with a granularity at the day level. If all the fact tables are joined to this table at the day level, there would be no need for determinants.

A join between a monthly forecast table aggregated at the month level with one row per month, and with this date dimension table would return between 28 and 31 records, depending upon the month. This could cause problems...