Part 1: Data Warehousing and SAP BW
Chapter 1 outlines basic data warehouse concepts and technical issues one faces when constructing a data warehouse and describes performance characteristics of a data warehouse. It then describes details of traditional data warehouse components and services needed at each architectural layer. After a description of traditional data warehousing, you are given a quick history of ERP applications and data warehousing history and how they are converging into a seamless integrated environment called ERP data warehousing to meet today's business needs.
Chapter 2 is a good start to understanding SAP BW architecture and its components. It describes the roots of SAP BW and how it has evolved from a simple operational reporting environment to a full-featured information warehouse. The chapter briefly describes SAP R/3 OLTP architecture and reporting systems built within SAP R/3. You will then learn the SAP BW architecture and how it compares with a traditional data warehouse. The chapter also describes how several customers attempted to exploit SAP R/3 technologies to construct data warehouses. Here you will learn about SAP BW components such as OLAP engine, data management, staging engine, and data access methods.
Chapter 3 presents a comparison of SAP BW with data warehouse solutions provided by other vendors. Here, you will learn the cultural impact of ERP data warehousing on organizations as well as implementation teams.
Chapter 4 introduces the SAP BW environment. Here you learn how to log on to SAP BW and access data stored in SAP BW data objects.
Team-Fly |
EAN: 2147483647
Pages: 174