BSA412 Week 3: Data Modeling
BSA412 Week 3: Frank’s Chili Dogs wants to install a system to record orders for its chili dogs.
Review the following scenario:
- When a customer calls, s/he is asked for her/his phone number
- The proposed system will look up the customer’s name using the phone number, and:
- If an existing customer record is found, retrieve the customer’s name and address
- If no record is found, prompt the employee taking the order to ask for the customer’s name and address
- An order consists of the number of chili dogs and the number and type of beverage
- After the order is taken, the tax is calculated, a delivery charge is added, and a receipt is printed
Draw a 1-page context-level data flow diagram for this problem using Visio®, or any other freeware drawing software you wish to use.
Create a 1- to 2-page comparison chart showing the similarities and differences between data dictionaries, databases, and entity-relationship diagrams (ERDs). The chart should depict at least 3 points of comparison.
Create 4 to 5 Microsoft® PowerPoint® slides, plus an Introduction slide and a Conclusion slide, a properly formatted APA Reference slide, and Speaker Notes that address the key points.
This assignment contains a Microsoft Word & PowerPoint document.
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