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Connecting the Data by Angelo R. Bobak

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CHAPTER 4

Roles of the ODS within Data Warehouse Architectures

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In this chapter we will examine some of the roles that an ODS can play within the data integration scenarios. Specifically we will discuss these roles:

• As a supplier to a data warehouse architecture

• As a supplier to data marts

• As a member in a distributed architecture

• As a source for operational reporting

• As a an integrator of data for data mining

• As a member in a CMDB architecture (ITIL Configuration Management Database)

• As an enabler of data quality.

Regardless of the role, the common theme is pulling data from multiple operational sources, profiling and cleansing ...

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