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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.
Detail how you would present some of the best practices in security, including concerns surrounding operating systems, databases, authentication and password policies, user administration, etc
Calculate a canonical cover for above set of functional dependencies (show each step of your derivation with an explanation).
How many copies of the book titled „The big magic? are owned by the local library whose name is "Newtown" library?
Find out which data from database to archive; that is, for each table, Write down whether data requires to be archived.
Explain in detail with supporting illustrations the six stages of the problem solving process and explain when the choice for using electronic spreadsheets is the preferred tool of choice.
Determine airports with late flights to Toronto on a big plane. "Late" means departing after 9:00pm; "big" means with capacity 150 passengers or more
Explain the use of facts, dimensions and attributes in a star schema model. Explain the use of facts, dimensions and attributes in a star schema model.
Design a query that will allow the finance department to determine the commissions paid to specific employees of the sales department for the month of December.
Determine the steps in the development of an effective Entity Relationship Model (ERM) Diagram and determine the possible iterative steps
What is meant by a weak relationship? Provide an example. What is meant by weak entity? What do you understand by relationship degree?
Design a nested menus interface for a check-in and check-out hotel reservation system that can be used internationally.
What are triggers used for, and why are they important in database systems? Provide an example of a situation where a trigger would be appropriate.
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
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