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1. Construct an E-R diagram for the database that models exams as entities, and uses a ternary relationship.
2. Construct an alternative E-R diagram that uses only a binary relationship between students and course_offerings. Make sure that only one relationship exists between a particular student and course_offering pair, yet you can represent the marks that a student gets in different exams of a course offering.
3. Design an E-R diagram for keeping track of the exploits of your favorite sports team. You should store the matches played, the scores in each match, the players in each match, and individual player statistics for each match. Summary statistics should be modeled as derived attributes.
4. Construct an E-R diagram for a car insurance company whose customers own one or more cars each. Each car has associated with it zero to any number of recorded accidents.
5. A weak entity set can always be made into a strong entity set by adding to its attributes the primary key attributes of its identifying entity set. Outline what sort of redundancy will result if we do so.
In Washburn's factory, what is the break-even point for the new line of guitars if the retail price is $349? Using Washburn guitars, explain shifting the demand curve versus moving along the demand curve.
In a small, fictitious country, a researcher has found that the higher a person lives up the big mountain, the more intelligent the individual is. Evaluate if there is a problem with the researcher claiming that living high on the mountain leads t..
In addition to the clusters of Silicon Valley and Sassuolo, Michael Porter identified a cluster for printing presses in Heidelberg, Germany, and others have written about clusters in Limoges,
Socioeconomic status and mental health have what type of relationship?
What is the role of voluntary disease-based organizations (Alzheimer's, Heart, and so forth)? After presenting a brief introduction to the topic, choose one voluntary disease-based organization and examine its role in some detail.
Explain the difference between personality measures and measures of interests and attitudes.
An explanation of the primary assumptions underlying behaviorism and psychoanalysis (classical and post-Freudian) that make them mutually exclusive systems in psychology
As a result of extensive examination of published research in the theory and practice of instructional design and psychoeducation,
Develop a long and detailed list of reasons why there has been long-standing and wide persecution of Jews.
A 16-year, 4.5 percent coupon bond pays interest annually. The bond has a face value of $1,000. What is the percentage change in the price of this bond if the market yield to maturity rises to 5.7 percent from the current rate of 5.5 percent?
You have a client who is talking about wanting an abortion. She asks you if you know where she can get one. You are strongly opposed to abortion. How would you handle this situation? Why? What ethical problems arise for you from this situation?
You need to select a tool for project planning and scheduling from various tools available in the market. What factors would you consider in selecting the most appropriate software tool for your company?
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