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Project Budget$30 - $250 USD
1. Choose 2 enterprises (businesses, corporations, companies, institutions) from one or more economic, organizational, institutional or industrial sector of interest to you. See the Appendix for suggestions and examples.
2. Suggestion: Be concrete in your choices, e.g., Wal-Mart, American Express, GE, Toyota, Uncle Ralph’s Deli & Grill, MTA, Amtrak, York College, New York University, NYC Board of Education, CUNY, University of California, American Museum of Natural History, National Gallery of Japan, Omni Airlines, etc.
3. Design an Entity-Relation (ER) model of a database (DB) that will be useful for each of the chosen enterprises.
4. The following aspects are required and should be captured in the project
a. There should be at least 20 - 30 Entities in the ER model for each enterprise dB.
b. There should be at least 20 – 30 (entity-to-entity) Relationships in the ER model, for each enterprise.
c. There should be at least 5 Relationships that have their own attributes
d. Indicate the types of values, and value domains (sets) of entity Attributes
e. Indicate the primary key for each Entity and Relationship
f. Indicate the secondary key(s), if any, for entities and relationships.
g. For each Relationship, indicate the (min, max) multiplicity (adicity), for example, 1-to-1, many-to-1, 1-to-many, many-to-many.
h. In the design report, highlight and discuss any 3-way or N-way (N > 3) Relations that occur in the ER models.
i. The design report should discuss: i) modeling fidelity and faithfulness (realism); ii) avoidance of redundancy; iii) modularity in representation; iv) choosing the right relationships; v) making good choices about what to represent as entities, entity relationships, entity attributes, entity relationship attributes.
5. Document and present your design as a report in the following form:
Date, Revision Number
Problem to Solve
Design (ER) model. (Provide details in an Appendix)
Summary & Conclusions
Acknowledgments, (if any)
References, (if any)
Collection of Entities
Attributes associated with each Entity & Domain Values
Relations between (or among) Entities
ER diagrams (Chen diagrams) of the ER model
UML / OO diagrams, charts, maps of the ER model.
Economic and Organizational Sectors
Government: Federal, National, Country, State, Province, Local, District, Municipal, City: Department, Services. For example: Homeland security, Law Enforcement, Immigration, Taxes, Health Benefits, Housing, Military & Defense
Academic, Educational: K-12, College, University
Museum, Zoo, Aquarium
Oil, Petroleum Gas, Energy, Fuels
Construction, Civil Engineering, Capital Works
Maritime, Marine, Naval, Submarine
Retail Store, Grocery Chain, Supermarket, Department store, Deli, Bodega
Cellular, Wireless, Mobile Service Provider
Data Communications, Internet, Web, Social Networking
Banking, Investment Bank
Credit Card Reporting
Healthcare, Medical care: hospital, hospice, clinic, medical office or practice, vet practice
Transportation, Logistics, Freight, Reverse Logistics
Rail, Ferry, Bus, Airline
Export and Import
Gas Station, Automobile Repair
Hotel, Lodging, Accommodation, Hospitality
Entertainment, Leisure, Recreation, Sports,
Movie, Theater, Dramatic arts
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