Your Perfect Assignment is Just a Click Away

We Write Custom Academic Papers

100% Original, Plagiarism Free, Customized to your instructions!

glass
pen
clip
papers
heaphones

Business Rules For The Happy Customer Garage

Business Rules For The Happy Customer Garage

Business Rules For The Happy Customer Garage

Given the following business rules for the Happy Customer Garage: 1. A customer can own many cars. 2. Some customers do not own cars. 3. A car is owned by one and only one customer. 4. A car may generate one or more maintenance records. 5. Each maintenance record is generated by one and only one car. 6. Some cars have not (yet) generated a maintenance procedure. 7. Each maintenance procedure can use many parts. (Comment: A maintenance procedure may include multiple maintenance actions, each one of which may or may not use parts. For example, 10,000-mile check may include the installation of a new oil filter and a new air filter. But tightening an alternator belt does not require a part.) 8. A part may be used in many maintenance records. (Comment: Each time an oil change is made, an oil filter is used. Therefore, many oil filters may be used during some period of time. Naturally, you are not using the same oil filter each time – but the part classified as “oil filter” shows up in many maintenance records as time passes.) Tasks a. Draw an ER diagram showing the manager’s conceptual view of Happy Customer Garage. (5 marks) b. Using Crow’s Foot notation, transform the ERD into a normalised, logical, (relational) model, resolving any M:N relationships, and showing connectivity and cardinality. Add appropriate attributes to each relation and define primary and foreign keys. (5 marks) c. Summarise your proposed implementation in a simple data dictionary in tabular form, showing all designer-defined objects in the database including indexes on the customer name in the CUSTOMER table and product name in the PRODUCT, a SEQUENCE to generate unique maintenance record numbers starting from 1000, and a TRIGGER that sets a flag when a part’s quantity on hand falls below a designated minimum. The data dictionary should show the data types and any constraints on attributes. (5 marks) d. Provide a SQL script file to define the database…

Order Solution Now

Our Service Charter

1. Professional & Expert Writers: On Time Writers only hire the best. Our writers are specially selected and recruited, after which they undergo further training to perfect their skills for specialization purposes. Moreover, our writers are holders of masters and Ph.D. degrees. They have impressive academic records, besides being native English speakers.

2. Top Quality Papers: Our customers are always guaranteed papers that exceed their expectations. All our writers have +5 years of experience. This implies that all papers are written by individuals who are experts in their fields. In addition, the quality team reviews all the papers before sending them to the customers.

3. Plagiarism-Free Papers: All papers provided by On Time Writers are written from scratch. Appropriate referencing and citation of key information are followed. Plagiarism checkers are used by the Quality assurance team and our editors just to double-check that there are no instances of plagiarism.

4. Timely Delivery: Time wasted is equivalent to a failed dedication and commitment. On Time Writers is known for timely delivery of any pending customer orders. Customers are well informed of the progress of their papers to ensure they keep track of what the writer is providing before the final draft is sent for grading.

5. Affordable Prices: Our prices are fairly structured to fit all groups. Any customer willing to place their assignments with us can do so at very affordable prices. In addition, our customers enjoy regular discounts and bonuses.

6. 24/7 Customer Support: At On Time Writers, we have put in place a team of experts who answer all customer inquiries promptly. The best part is the ever-availability of the team. Customers can make inquiries anytime.