SAP offers a collection of more than 2,000 powerful and flexible business reports in R/3. These reports are spread across all application modules. Navigating through several information systems to find specific reports is a huge challenge. SAP also provides several reporting tools in R/3 to build queries and reports against operational data. Details of such tools are discussed later in this chapter.
The Simplification Group at SAP has developed Report Navigator and Report Tree tools that make it easier to organize and search reports in R/3. For additional information on Report Navigator, visit the SAP simplicity Web site at http://www.saplabs.com/simple.
Major application modules in R/3 fall in the following business areas:
• Logistics • Financials • Human resources • Industry specific
Several information systems exist in R/3 that provide a reporting and data analysis environment limited to specific application modules. Information systems in R/3 are similar to data marts where subject-specific data is collected and stored in database tables dedicated for reporting.
R/3 information systems provide you with information that enhances the capabilities of more than 2,000 standard R/3 reports. Here you can combine data from non-R/3 data sources with R/3 data for reporting. In the following sections, I will discuss data warehousing environments provided within R/3 for data analysis and reporting for information systems relevant to Business Information Warehouse.
Open Information Warehouse and Information Systems in SAP R/3
Information systems in SAP R/3 are components of SAP's Open Information Warehouse (OIW) framework. The vision behind OIW is to provide a cross-application data analysis environment providing very summarized information with charts and graphs suited best for senior executives.
Individual information systems-LIS, FIS, HIS, and so on-in SAP R/3 are limited to a specific application area and associated data objects, except the EIS. These information systems provide an effective method of retrieving summarized data. Following are the major information systems in R/3:
• Executive Information System (EIS) • Logistics Information System (LIS) • Financial Information System (FIS) • Human Resources Information System (HIS)
Granularity of data available in information systems depends on the type of reporting environment selected. At the EIS level, you access summarized information that can go horizontally across one or more application modules. In other information systems, you are limited to only one application area at a time. With ABAP/Query and ABAP, you can access transaction tables; hence, access to transaction level detailed information is available. ABAP Query and Report Writer/Report Painter are regarded as ad hoc reporting tools.
Logistics Information System (LIS)
The LIS is widely used by R/3 customers and plays a major role in preparing information for SAP BW. It consists of the following sub-information systems (the list may vary based on the SAP R/3 OLTP release):
• Sales Information System (SIS) • Purchasing Information System (PIS) • Inventory Controlling (INVCO) • Shop Floor Information System (SFIS) • Plant Maintenance Information System (PMIS)
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