Question
The manager of a trading company wants to keep the following data about customer sales and has created the table below: Customer name Customer ID
The manager of a trading company wants to keep the following data about customer sales and has created the table below:
| Customer name | Customer ID | Contact number | Item purchase | Item description | Quantity | Invoice # | Invoice date |
| Chan | 301 | 6192 2789 | 409 | Sugar | 3 | 44 | Jan 3, 2021 |
| Chan | 301 | 6192 2789 | 420 | Rice | 1 | 44 | Jan 3, 2021 |
| Peter | 302 | 8902 2913 | 413 | Noodles | 3 | 45 | Jan 15, 2021 |
| Joe | 303 | 2391 1092 | 409 | Sugar | 4 | 46 | Jan 20, 2021 |
| Joe | 303 | 2391 1092 | 413 | Salt | 1 | 46 | Jan 20, 2021 |
| Chan | 301 | 6192 2789 | 409 | Sugar | 3 | 47 | Jan 31, 2021 |
Required:
- Using the database provided above as an example, identify and explain the major database design problems.
- Recommend a relational database design that can eliminate all problems identified in part (a).
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Managerial Accounting An Introduction to Concepts Methods and Uses
Authors: Michael W. Maher, Clyde P. Stickney, Roman L. Weil
10th Edition
1111822239, 324639767, 9781111822231, 978-0324639766
