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1. Differentiate the role that data redundancy and data independence play in the database management system concept. Is either of these concepts desirable for a database? Explain your decision for choosing the concept that is desirable.
2. Describe the role that the need for data as a manageable resource led to the relational database development.
3. Why does data redundancy lead to data integrity problems?
4. Describe each of the following anomalies: deletion, insertion, and update.
5. Describe the process for joining two tables together. Include a specific example in your description.
Illustrate what did classical economists assume about the flexibility. What disagreements did Keynes have with classical economists.
A key skill in economics is the ability to use the theory of supply and demand to analyze specific markets. In this assessment, you will demonstrate your ability to analyze the effects of several "shocks" on the market for first class mail (e.g., ..
A. What is the level of industrial concentration in the automobile industry B. What economic incentives can be used to reduce the cost of health care C. What policies would be recommended for stimulating national economic growth D. What are the suppl..
Suppose that benefit rules are changed so those disabled workers who take jobs that pay less than $X per day receive a benefit that brings their total daily income (earnings plus the DI benefit) up to $X. analyze the work-incentive effects of the c..
If you assume that wealth (W) and investment (I) remain constant what are the equilibrium levels of GDP (Y), consumption (C), and savings (S) ?
Everybody in the park has a reservation price of $1 for a hot dog, where the cost of a hot dog includes the subjective cost of walking as well as the money price they have to pay when they get there. (Nobody has ever thought of fetching a hot dog ..
A competitive firm can sell all of its output for the market price of $5. its short run cost function is TC= 1000 + Q + 0.005Q2. this cost function has marginal cost given by MC= 1 + 0.01Q.
In France, it is law that portable listening devices must have a maximum output level of 100 decibels. Apple was forced to change the output of its iPods sold to France as their output exceeded 100 decibels. What negative consumption externality w..
Suppose a firm produces bicycles. Will the firm's accounting statement reflecte the opportunity cost of the bicycles ? Why or why not? What cost would an accounting statement revela? Should current decisions be based on accounting cost? Explain.
What is national saving? What is private saving? What is public saving? How are these three variables related?
Draw a graph of the Batman family's supply of loanable funds curve fro 1999. Show the influence of this change on the Batman's supply of loanable funds curve.
What environmental issues will have the biggest impact on personal health in the next 10 years? 50 years?
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