Data modeling: Difference between revisions

Revision as of 15:07, 29 March 2023

Revision as of 05:52, 30 March 2023

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* to manage data as a resource

* to integrate information systems

* to design databases/[[data warehouseswarehouse]]s (aka data repositories)

Data modeling may be performed during various types of projects and in multiple phases of projects. Data models are progressive; there is no such thing as the final data model for a business or application. Instead a data model should be considered a living document that will change in response to a changing business. The data models should ideally be stored in a repository so that they can be retrieved, expanded, and edited over time. [[Jeffrey L. Whitten|Whitten]] et al. (2004) determined two types of data modeling:<ref name="WBD04"/>