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SAP® BW: A Step-by-Step Guide by P.E. Henry Fu, Ph.D. Biao Fu

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Appendix C. Glossary

Aggregate

An aggregate is a subset of an InfoCube. The objective when using aggregates is to reduce I/O volume. The BW OLAP processor selects an appropriate aggregate during a query run or a navigation step. If no appropriate aggregate exists, the BW OLAP processor retrieves data from the original InfoCube instead.

Aggregate rollup

Aggregate rollup is a procedure to update aggregates with new data loads.

Application component

Application components are used to organize InfoSources. They are similar to the InfoAreas used with InfoCubes. The maximum number of characters allowed for the technical name is 32.

Authorization

An authorization defines what a user can do, and to which SAP objects. For example, a user with an authorization ...

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