A) Extraction bed.
B) Staging layer
C) Transformation bed.
D) Loading layer
E) Reporting and decomposition layer
A) Extraction layer:
The descent layer is the collection of data from source systems. It aims to engagement the integrity of data while eliminating reporting problems on the source systems. Data can have ~ing extracted from an array of contrary sources.
SAP NetWeaver BW offers predefined, customizable extractors against application data from the entire SAP Suite. You could in like manner design extractors for customized SAP applications. Most extractors notwithstanding SAP application transaction data are delta-enabled, what one. translates to mean that transactions can be written to a delta queue at the time of endurance. They are then extracted from this delta queue into SAP BW.
Direct genealogy from databases based on table or contemplate definitions using DB Connect and UD Connect drawing out interfaces. DB Connect (Database Connection) permits the descent from and direct entry to facts lying in tables or views of database management systems. This feature is available sole for some specific databases. UD Connect (Universal Data Connect) permits the lineage
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