June 2004
Intermediate to advanced
396 pages
9h 28m
English
book
Building and Scaling SAP Business Information Warehouse on DB2 UDB ESE
by Chuck Ballard, Andreas Christian, Theodor H. Kuebler, Rodrigo A. Schiavon
Content preview from Building and Scaling SAP Business Information Warehouse on DB2 UDB ESE
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28 SAP BW and DB2
2.5 Extended star schema (InfoCubes)
SAP uses an extended star schema in defining and creating InfoCubes. It
contains two types of data used in analysis:
Key figures: Sales revenue, fixed costs, sales quantity, or number of
employees, etc.
Characteristics: Customer type, fiscal year, period, or region are some
examples. Characteristics are used to create evaluation groups for analysis.
The underlying InfoObjects that make up an InfoCube are categorized in terms of
these two types of data. That is, a given InfoObject represents either key figures
or characteristics. A third type of InfoObject,
attributes, contains metadata ...
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