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SAP BW Business Warehouse
- Storage Service Layers -
Page 8 of 10
Understanding the role
of storage services layers in architectural model
Master data manager: Master Data Manager generates the master
data infrastructure containing master data tables as well as
master data update and the retrieval routines. It also maintains
master data and provides access to master data for use by SAP BW
reporting components and for exporting to other data warehouse
services for analysis and access services.
ODS Manager: ODS manager generates ODS data object
infrastructure. It maintains an active data table for maintaining
ODS object data, a change log for every update applied to the ODS
object data as part of application process and provides access to
ODS object data for SAP BW reporting and analysis functionality.
Archiving Manager: The Archiving Manager stores unused,
dormant data in an archive with the help of Archive Development
Kit (ADK). ADK is connected to the SAP BW via Archiving Manager.
It also keeps track of relevant metadata such as Infocubes and ODS
objects which possibly will change over time.
InfoCube Manager: It serves the function of generating the
InfoCube Meta tables. It maintains InfoCube data tables and
provides access to InfoCube data tables for SAP BW reporting and
analysis.
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