They are great for analysis and often a good starting point for a system-level data model.
When we decide to go into new regions or lines of business, our data model already has the necessary elements in place, defined, and linked together," Jenkins says.
If a subject area model or enterprise data model
do not exist, then a best practice for BI states that the first BI project should create the subject area model (it is a very quick model to create) and only that portion of the enterprise model that directly supports the current BI project and no more.
The Multispeak data model
is a part of the Multispeak specification (NRECA, 2005) developed by the NRECA (National Rural Electric Cooperative Association), USA.
Other parameters of data models
: A data model
for a database may also specify some additional details relevant to the use of the data.
Similar to the way that a dictionary functions as the lexicon of words for a given language, the data model
functions as the lexicon of business terms and their usage.
Laid out in ER/Studio's easy-to-read format, the Universal Data Models
are categorized into nine individual subject areas that can be combined to form a complete and integrated corporate model.
Creating data models
broken down by subject area helps provide scope, and allows users to more easily visualize the information at hand.
Teradata has developed and delivered logical data models
for all major industries including financial services, retail, communications, manufacturing, travel, transportation and health care - which are used by high-profile data warehouse client companies across the world.
SchemaLogic enhances the competitive advantage of DB2 Content Management products through the management, integration and synchronization of taxonomic metadata and Data Models
across enterprise content management applications," said Jeff Dirks, president and chief executive officer of SchemaLogic.
Its fully integrated data model
on SQL Server 2005, the latest version of SGDB by Microsoft, is a real asset," said Nathalie Pivet and Olivier Clyti, who are in charge of the "Vector" project at Veolia Environnement.
Focused on the underpinning theory behind ISO 18876 and 15926 and how these standards can be used to critique and even design flexible data models
, he will explore how innovative technology and project approaches to data modeling have enabled hugely complex organizations to achieve the coveted "single view" of management information and save many millions of dollars.