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1 Define the term ‘use case' and explain the role of use cases in system analysis.2 Explain the difference between the <<include>> and <<extends>> relationships in use case diagrams?3 Compare and contrast between ‘Agile' and ‘iterative' methodological approach.4 What is the difference between USDP and the Waterfall lifecycles in the relationship of between activities and phases?5 Explain Class diagram. Outline the main steps in developing a class diagram for a Use Case(UC).
In Word, identify a potential database application. It should be based on data you understand well, such as student data (refer to text), a hobby (see Lesson 8), or a set of data you use on the job. When you have made your choice, proceed to Step ..
Each department has many employees assigned to it, but each employee works for only one department at one of the factories. An employee cannot work at more than one factory at a time.
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.
A student who completes either one of these prerequisites and obtains the instructor's permission, however, will be allowed to take MIS 260.
Illustrate all data in each of the four tables. Don't show foreign key columns. Write down the names and e-mail addresses for all customers who have had stove repair which cost more than $50.
Write SQL statements that do the following: Calculate the average salary for all employees. Calculate the maximum salaries for exempt and non-exempt employees.
Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA or school-specific format. Check with your professor for any additional instructions.
Does the above have one or more functional dependency (do not list FDs by applying derivation rules)? If so, what is it? Show how you will remove it by decomposition.
Produce an Entity-Relationship diagram which represents the above activities of the insurance company. Indicate the names and degrees of all the relationships. Give appropriate attributes for each entity shown, and identify the primary key for eac..
What is the key value of the 4th index record on the top level, assuming each index record points to the record with the highest key value in a block of the next level down?
Discuss security threats as it relate to the Operating Systems and Memory Management. Consider a fixed partitioning scheme with equal-size partitions of 2 16 bytes and a total main memory size of 2^24 bytes. A process table is maintained that inc..
Did the corresponding lines for invoices 1001 and 1008 in table LINE get deleted automatically? Can you explain why?
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