Normalization, Relationships, and Constraints
Question Description
Consider a typical sales invoice that would include the following information. Design a single table to hold all of the information required to store an invoice including this information. Next, apply normalization to reduce this table to third normal form. Prepare a Word document showing the original and final tables. Include a short summary (2–3 paragraphs) of the problems with the original single table design and how normalization improved the design.
Orders:
- Order_id
- Order_date
- Customer_id
- Customer_name
- Customer_address
- Customer_city
- Customer_state
- Item_id
- Item_description
- Item_qty
- Item_price
- Item_total_price
- Order_total_price
This assignment will also be assessed using additional criteria provided here.
Please submit your assignment.
For assistance with your assignment, please use your text, Web resources, and all course materials.
Grading Criteria
Project Criteria | Exceeds: 90%–100% | Very Good: 80%–89% | Meets: 70%–79% | Needs Improvement: Below 70% |
Content |
Response covers all topics indicated in the assignment and adds additional content. | Response covers most topics indicated in the assignment. | Response covers many of the topics indicated in the assignment. | Response covers none to some of the topics indicated in the assignment. |
Effective Communication |
Demonstrates outstanding or exemplary application of written, visual, or oral skills. Demonstrates outstanding expression of topic, main idea, and purpose. Audience is addressed appropriately. Language clearly and effectively communicates ideas and content relevant to the assignment. Errors in grammar, spelling, and sentence structure are minimal. Organization is clear. Format is consistently appropriate to assignment. Presentation and delivery are confident and persuasive (where applicable). The writing was of collegiate level with no errors in spelling or grammar. | Demonstrates very good written, visual, or oral skills. Demonstrates sound expression of topic, main idea, and purpose. Audience is usually addressed appropriately. Language does not interfere with the communication of ideas and content relevant to the assignment. Errors in grammar, spelling, and sentence structure are present, but do not distract from the message. Organization is apparent and mostly clear. Format is appropriate to assignment, but not entirely consistent. The writing was of collegiate level with two or less errors in spelling or grammar. | Demonstrates acceptable written, visual, or oral skills. Demonstrates reasonable expression of topic, main idea, and purpose. Sometimes, audience is addressed appropriately. Language does not interfere with the communication of ideas and content relevant to the assignment. Errors in grammar, spelling, and sentence structure are present and may distract from the message. Organization is a bit unclear. Format is inconsistent. The writing was of collegiate level with several errors in spelling or grammar. | Demonstrates inadequate or partially proficient application of written, visual, or oral skills. Demonstrates inadequate or partial expression of topic, main idea, and purpose. Audience is often not addressed appropriately. Language often impedes the communication of ideas and content relevant to the assignment. Errors in grammar, spelling, and sentence structure are frequent and often distract from meaning or presentation. Organization is inadequate, confusing, and distracting. The format is inadequate and obscures meaning. The writing was less than collegiate level with numerous errors in spelling or grammar. |
Supporting Analysis |
Analysis exceeds minimum requirements. Sources are used to support analysis, are appropriate, and are properly referenced. | Basic analysis provided to support assertions. Sources are cited, appropriate, and properly referenced. | Limited analysis provided to support assertions. Some sources are cited, appropriate, and properly referenced. | No or inaccurate analysis, no sources are cited when needed, analysis and/or sources are not appropriate. When sources are used, they are not properly referenced. |
Other Information
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