CIS 336 Developing Good Data Model

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CIS 336 Developing Good Data Model
The database data model is the communication link between the designer, applications

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CIS 336 Developing Good Data Model

CIS 336 Developing Good Data Model

Discussions Week 2 All Students Post 37 Pages 

The database data model is the communication link between the designer, applications programmer, and user. Contribute your views on what constitutes a good data model and why. What is CARDINALITY? How about an example?  How does cardinality/ordinality portrayed using Crow’s Feet? What constraints enforce semantic integrity?…