Questions on Database Systems
Using the INVOICE table structure shown in Table P6.3 of Database Systems ISBN-13: 9781111969608, do the following: a. Write the relational schema, draw its dependency diagram, and identify all dependencies, including all partial and transitive dependencies. You can assume that the table does not contain repeating groups and that an invoice number references more than one product. ( Hint: This table uses a composite primary key.) b. Remove all partial dependencies, write the relational schema, and draw the new dependency diagrams. Identify the normal forms for each table structure you created. Note You can assume that any given product is supplied by a single vendor, but a vendor can supply many prod-ucts. Therefore, it is proper to conclude that the following dependency exists: PROD_ NUM . PROD_ LABEL, PROD_ PRICE, VEND_ CODE, VEND_ NAME ( Hint: Your actions should produce three dependency diagrams.) c. Remove all transitive dependencies, write the relational schema, and draw the new dependency
PLACE THIS ORDER OR A SIMILAR ORDER WITH ASSIGNMENT GURUH TODAY AND GET AN AMAZING DISCOUNT
.
When you order professional assignments here, you will get: Original custom papers. We value your academic reputation. Just as well, we value the years of thorough work on our reputation for reliability and never compromise the originality of delivered papers. We will never endanger both. Every custom assignment is written from zero – the only possible first stage of work on the order is research. We apply the latest plagiary checking tools on the final stage, so plagiarism has no chance to emerge in your college assignment writing. Control over the order completion. To make the process of collaboration comfortable and efficient, we offer our clients to choose the writer themselves taking into account all the requirements and the budget. For you to save nerves, having entrusted your fateful task to some qualified “stranger”, we enable communication with the assigned writer in the process of order completion. Affordable assistance.
Previous PostComputer Applications Using DatabasesNext PostDatabase Homework Questions
Delivering a high-quality product at a reasonable price is not enough anymore.
That’s why we have developed 5 beneficial guarantees that will make your experience with our service enjoyable, easy, and safe.
You have to be 100% sure of the quality of your product to give a money-back guarantee. This describes us perfectly. Make sure that this guarantee is totally transparent.
Read moreEach paper is composed from scratch, according to your instructions. It is then checked by our plagiarism-detection software. There is no gap where plagiarism could squeeze in.
Read moreThanks to our free revisions, there is no way for you to be unsatisfied. We will work on your paper until you are completely happy with the result.
Read moreYour email is safe, as we store it according to international data protection rules. Your bank details are secure, as we use only reliable payment systems.
Read moreBy sending us your money, you buy the service we provide. Check out our terms and conditions if you prefer business talks to be laid out in official language.
Read more