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One of the most difficult aspects of planning software development is estimating the effort. Often times we are asked to provide the estimate early in the process and even before all requirements are known. What model would you use for this estimation? How accurate would it be and how would you obtain the estimate?
Compute the functional dependencies which exist in following table. After determining the functional dependencies, transform this table to an equivalent collection of the tables which are in third normal form.
Code an Oracle Database trigger to enforce the constraint that an employee can never change his or her department.
Write an application that creates a database named PhoneBook. The database should have a table named Entries, with columns for a person's name and phone number. Next, write an application that lets the user add rows to the Entries table,
Assume you were a newly hired IT Security Manager at a software development company that in the past hasn't paid much attention to security, especially in its database development processes.
Explain how you could delete the IT department without deleting all the employees who work for that department.
Journal entries have to be reconciled with the spreadsheet on a daily basis - Prepare a context diagram for the system and also prepare a diagram 0 DFD for the system
ER Diagram of cardinality and modality bank management system and discription of bank management system
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
Identify each relationship type and write all of the business rules and create the bask Crow's Foot ERD for DealCo.
Compute a canonical cover for the above set of functional dependencies (show each step of your derivation with an explanation).
Rubric for PowerPoint Presentation Points
Which field or fields cause a table to no longer be in third normal form? In which normal form is denormalized table?
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