InfoCube design not only determines business functionality, but also directly affects system performance.
In this chapter we will first look into the star schema implemented in BW. Next, we will analyze three InfoCube design alternatives for the same business scenario described in Chapter 1. Finally, we will briefly discuss two other InfoCube design techniques:
Note
In BW, use of aggregates is a key technique for improving query performance. Therefore, when evaluating an InfoCube design, we must consider whether the design supports aggregates as critical criteria. See Chapter 8 for more information on aggregates.
Part I. Guided Tours
Business Scenario and SAP BW
Creating an InfoCube
Loading Data into the InfoCube
Checking Data Quality
Creating Queries and Workbooks
Managing User Authorization
Part II. Advanced Topics
InfoCube Design
Aggregates and Multi-Cubes
Operational Data Store (ODS)
Business Content
Generic R/3 Data Extraction
Data Maintenance
Performance Tuning
Object Transport
Appendix A. BW Implementation Methodology
Object Transport
Appendix B. SAP Basis Overview
Object Transport
Appendix C. Glossary
Appendix D. Bibliography