SAP BW: A Step-by-Step Guide: A Step-by-Step Guide (Addison-Wesley Information Technology Series) - Tapa blanda

Many large companies have now had SAP R/3 installed for several years, and have an urgent need to analyze the vast amounts of transaction data R/3 is providing them. Getting hold of vital facts and figures and turning them into useful information is a complex and time-consuming task. BW is designed to accurately and effectively support critical business decision-making. It facilitates high-performance and error-free extraction, transfer, transformation, and loading of data from a variety of data sources. This book uses step-by-step instructions with many examples to illustrate key SAP BW functions. Using a real-world business scenario as a running example, the book presents a comprehensive view of BW, from underlying concepts and basic techniques through the technology's most sophisticated capabilities. Tips, lessons, and best practices are discussed. It also covers other relevant technologies. With the clear explanations and practical techniques, SAP professionals will gain both the general understanding and specific skills they need to create effective data extraction tools needed to support decision-making processes.

SAP BW has recently come to the fore as a valuable tool for developing data warehouses that accurately and effectively support critical business decision making. It facilitates easy-to-use and high-performance extraction, transfer, transformation, and loading of data from a variety of data sources, including such comprehensive business management systems as SAP R/3.

This practitioner's guide uses step-by-step instructions complete with a plethora of screen captures to illustrate key SAP BW functionalities. It demonstrates how SAP BW implements the fundamental star schema and solves the major challenges inherent in the creation of data warehouses: performance, reliability, and error-handling. Using a real-world business scenario as a running example, SAP® BW presents a comprehensive view of the technology, from underlying concepts and basic techniques through its most sophisticated capabilities.

Specific topics covered include:

Creating an InfoCube and loading the data

Checking the accuracy of data with BW Monitor and the Persistent Staging Area (PSA)

Creating queries to generate reports using Business Explorer (BEx)

Managing user authorization with the Profile Generator

Advanced InfoCube design techniques

Aggregates and multicubes

Working with the Operational Data Store (ODS)

Installing business content and creating an R/3 source system in BW

Loading data from SAP R/3 into SAP BW

Data maintenance

Performance tuning, including parallel query option and data packet sizing

Object transport

Although the focus is on the core SAP BW technology, this book also discusses other relevant technologies, including Basis, ABAP (Advanced Business Application Programming), ALE (Application Link Enabling), and ASAP (Accelerated SAP) for BW.

With the clear explanations and practical techniques presented in SAP® BW information systems professionals will gain both the general understanding and specific skills necessary to create high quality data warehouses that support effective decision making.

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