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Unit 6 Research Project Eddie S. Jackson Kaplan University IT525: Database Design and Data Modeling 06/15/2014 . Summary. Robot Emporium needs a database Sells robot parts Manage customer information Employees must manage orders Shipment must be a part of the database. Entities. Customer

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  1. Unit 6 Research ProjectEddie S. JacksonKaplan UniversityIT525: Database Design and Data Modeling06/15/2014

  2. Summary • Robot Emporium needs a database • Sells robot parts • Manage customer information • Employees must manage orders • Shipment must be a part of the database

  3. Entities • Customer • Order • Order Items • Product • Employee • Shipment • Invoice

  4. Business Rules • There are four business rules • Customer - Invoice • Order - Products • Employee - Customer • Employee - Shipments

  5. Normalization • There are 3 normalization forms used in this database design • First Form • Second Form • Third Form

  6. Database Changes • Try to reduce unnecessary null entries • Remove the relationship between Product and Shipment

  7. Database Changes - ERD

  8. Lessons Learned 1 of 2 • RDBMS • Entities • Tables • Attributes • Relationships

  9. Lessons Learned 2 of 2 • Crow’s Foot Notation • Many-to-Many • One-to-One • One-to-Many

  10. 3ders. (n.d.). Robot Shop. Retrieved from http://www.3ders.org/images/robotshop-3d-printing-service.jpg Coronel, C., Morris, S., & Rob, P. (2012). Database systems: design, implementation, and management(10th ed.). Boston, MA: Cengage Learning. Staff, Borland. (n.d.). The definition of first, second, third, fourth and fifth normal forms. Retrieved http://edn.embarcadero.com/article/25209. Reference

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