Assignment3b - Chapter 8: 2) A shipment contains one or...

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Chapter 8: 2) A shipment contains one or more shipped products. Shipped products contain one shipment. A product has been sent as 0, 1 or more shipped products. Shipped products has been sent as one product. 4) Persons – member, employee, spouse Objects – semester, course, class Events – job duration, start date, end time Locations – address, city, country 18) In 1NF, the data entity is free of repeating groups. If a entity can be broken down further, it is not in 1NF. In 2NF, the data entity is already in 1NF and all nonprimary-key attributes are dependent on the full primary key. An example would be an employee with multiple skills. 1NF Contract Employee Skill Location Tom Typing Albany Tom Printing Albany Tina Proofreading Miami 2NF Contract Employee Location Contract Employee Skill Tom Albany Tom Typing Tom Albany Tom Printing Tina Miami Tina Proofreading Chapter 9: 1) Compare and contrast process models to data models. A process model is used to organize and document the process requirements for a system. A data model is data centric and shows
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This note was uploaded on 09/07/2011 for the course MIS MIS 320 taught by Professor Unknown during the Spring '09 term at New York Institute of Technology-Westbury.

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Assignment3b - Chapter 8: 2) A shipment contains one or...

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