Databases Reference
In-Depth Information
EDM PRINCIPLES
The appropriate corporate data environment requires the following
EDM principles to be established
•
Data is a corporate asset.
Within this conceptual framework, data is
treated as a corporate resource to be managed as an enterprise criti-
cal asset.
•
Data is organized by the business.
Data is organized into categories —
subject data areas — and has specific functions and individuals that
are accountable for its quality, value, and enterprise satisfaction.
•
Data is separated from the application.
Data development is separated
from the traditional method of aligning with an application. Data is de-
veloped independently of applications that focus on its presentation
or process for the end user.
•
Data is shared.
Data is shared and reused by all lines of business facil-
itated by an enterprise-managed data warehouse, architecture, and
methodology.
•
Data has a single definition and source.
All information of interest or
critical to the enterprise has a single data definition and source and
can evolve as driven by business to meet specific requirements.
•
Data evolves.
The components of the enterprise warehouse and asso-
ciated architecture should be developed in an evolutionary manner as
needed to deliver information processes in support of business re-
quirements.
ENTERPRISE DATA SCOPE
To determine and organize the enterprise data to be supported by the
EDM, the key resources, entities, and functions required by the business
must first be identified. This step lays the foundation of the relationships
between the data areas and critical processes. Accordingly, the corporation
can be assured that it is managing the right data for the right reasons rather
than merely better identifying application-driven data requirements.
Subject data areas are enterprise resources and external tangible and
intangible entities that are of interest or value to the business from a cor-
porate perspective. Data area groupings are composed of related informa-
tion and subgroupings identified with the enterprise (e.g., sales, financial,
and product).
Functions are groupings of activities that support the mission of the
enterprise. An organization is a grouping of corporate resources that are
assigned to perform one or more functions of the enterprise and are not
synonymous (e.g., marketing, finance, manufacturing, and human
resources). Organizational structures are dynamic, whereas functions gen-
erally remain static.
Search WWH ::
Custom Search