Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Relational Database Design
The following question is based upon the Patient-Treatment relation which records the details of transactions occurring in a medical surgery. You may assume the data are representative.
You have been asked to design a relational database for this system. You know that there are problems with the current design and that it will need to be modified in order to work effectively. You need to write a 1-2 page report that addresses the following:
1. What are the specific problems associated with the current design and why do they arise?
2. How would you change the current design and how does your new design address the problems you have identified with the current design.
In order to receive high marks for this question, you will need to demonstrate an understanding of the theories discussed in Topics 1, 2 and 3, how they apply to his problem, and justify the changes you are making to the system. Simply providing the amended design (even if it is correct) will only attract a small percentage of the marks for this question.
Create an external DTD that dictates a relational model-like data structure for XML documents.
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
Instructions: You can use any source you prefer, the text, Internet, etc. The answers should not take more than 1 - 2 paragraphs of text, please submit a word processing document, please make sure it's compatible with MS Word.
How and why did database management systems become the organizational data management standard? Describe some advantages of database approach over file-system approach.
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
Write the following procedures: woman_wants_to_enter, man_wants_to_enter, woman_leaves, man_leaves, using counters and sychronisation techniques to ensure that the correct behaviour will occur.
What does CHS stand for? List three items contained in the FAT database. List two features NTFS provides that FAT does not.
Determine the steps in the development of an effective Entity Relationship Model (ERM) Diagram and determine the possible iterative steps
How does Oracle process this query? That is, what does Explain Plan tell you about how the query is processed - how would you recognize that the results were not correct?
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
Identify each relationship type and write all of the business rules and create the bask Crow's Foot ERD for DealCo.
First construct a Data Warehouse Bus Matrix to identify the company's business processes and any likely Data Marts and design the star schema for any Data Marts you have identified.
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd