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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.
What will the following pseudocode program display
Use a one-dimensional C-style array to solve the following problem. Read in up to 20 numbers from the keyboard, each of the numbers should be between 10 and 100, inclusive.
How long will it take for input size 500 if the running time is the following
What is the name given to the values that are automatically provided by software to reduce keystrokes and improve a computer user's productivity?
Discuss whether you should accept this demand from your manager or whether you should persuade your team to give their time to the organization rather than to their families. What factors might be significant in your decision?
How do relational query optimizers work? What information does a relational query optimizer use in making its decisions?
1. P15(d): Compare the present value of economic profit in each of the next three years and the loss of $50,000 in the third year using 15% as the discount rate.2. The spreadsheet problem (b): Calculate a mean, .... to statistically describe the data..
U.S. Sports Fanatics has several problems in accessing sales data effectively and in a timely fashion because of its very basic paper-based process, causing it to lose out to its competition.
Assume that you are part of a management team of a medium-size business that sells goods to consumers online. You know that your system was recently hacked, and that accounts and customer information may have been stolen. How do you respond to the si..
Review the steps of the SDLC. Explain why quality service delivery depends on the execution of the service delivery life cycle. Discuss the aspects of the SDLC that are critical to quality service management. Explain your answer.
mcbride marketing paperresource virtual organization for mcbride financial servicesmcbride financial services wants to
Problem 1 Convert the following decimal numbers into (a) 8-bit, (b) 16-bit, and (c) 32-bit binary numbers. For negative numbers, use the 2's complement. State "overflow" if a number cannot be represented correctly. 1) 45 ten. 2) -81 ten. 3)-3,0..
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