Mgmt 340 Business Analysis System Week 4 Problems and Exercises

MGMT 340 Business Analysis System Week 4 Problems and Exercises
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MGMT 340 Business Analysis System Week 4 Problems and Exercises

Chapter 7
5. Consider the E-R diagram in Figure 7-20. Based onthis E-R diagram, answer the following questions:
a. How   many   EMPLOYEES   can   work   on   a project?

b. What is the degree of the Used_on relationship?

c. Do any associative entities appear in this diagram? If so, name them.

d. How else could the attribute Skill be modeled?

e. What   attributes   might   be   attached   to   the Works_on relationship?

f. Could   TOOL   be   modeled   as   an   associativeentity? Why or why not?

16. The owner of two pizza parlors located in adjacent towns wants to computerize and integrate sales   transactions   and   inventory   management within and between both stores. The point-of-sale component   must   be   easy   to   use   and   flexible enough   to   accommodate   a   variety   of   pricing strategies and coupons. The inventory management,   which   will   be   linked   to   the   point-of-sale component,   must   also   be   easy   to   use   and   fast.The systems at each store need to be linked so that sales and inventory levels can be determined instantly for each store and for both stores combined. The owner can allocate $40,000 for hardware and $20,000 for software and must have the new system operational in three months. Training must be short and easy. Briefly describe three alternative systems for this situation and explain how each would meet the requirements and constraints.   Are   the requirements   and   constraints realistic? Why or why not?

17. Compare the alternative systems from Problem and Exercise 16 using the weighted approach demonstrated in...