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1- Research some available notions of drawing ERD. Create a short but precise comparison among four notions.
2- Choose any real world case like the enrollment system; create the ERD of selected case using two different notions (UML notion is mandatory). Write down all possible entities, relationships and attributes. Select the suitable tool to do the second task.
Assume you have functions that you want to call for many individual year values, as well as ranges of years, and you are deciding on whether to use an if statement or a switch statement.
Another tool used to infer the conceptual model are the end user's forms. The form below will help you identify the entities and relationships.
Do you think that variations in company and societal culture could pose a significant problem when coordinating or scheduling large assignments,
Discuss the limitations of software testing. How do we say that complete testing is impossible? What is Software Quality Assurance? What are the objective and goals of SQA?
Assume if your organization was going to design a database and the developers told you they were going to use a flat file database instead of a relational or object oriented one, what would you say to them?
Assume you have been asked through a tax return preparer to create a program which will help him calculate taxes. This preparer will at most have one hundred customers.
Instructors are capable of teaching many different courses. Draw an entity-relationship diagram for HEG (in 3NF).
Create and annotate a class hierarchy to represent various types of faculty at a university. Show what characteristics would be represented in various classes of hierarchy.
Create a class diagram for following problem. A company has a number of employees. Attributes of employee include employeeID (primary key), name, address, and birthdate.
Create a code that would sum five cells and then round to either .00, .25, .50, or .75 depending upon what range the sum of the cells falls into.
Deisgn a level-1 DFD for the following scenario. The purpose of green acres real estate system is to assist agents as they sell houses. Sellers contact agency, and agent is assigned to help seller complete listing request.
Shemrock Corporation is a brake pad manufacturing firm. This corporation uses raw materials, such as carbon powder, iron, ash, and resin.
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