Reference no: EM13765435
1. Write a 200- to 300-word short-answer response for the following:
Why it is necessary to choose appropriate data types for each data column?
2. Write a 200- to 300-word short-answer response for the following:
How must a database designer balance the time to complete data modeling steps with the benefits the data modeling process offers in creating
a database? Consider examples from your work place and class assignments.
3. Write a 200- to 300-word short-answer response for the following:
What are some issues when working with a many-to-many relationship? Provide some examples.
4. Write a 200- to 300-word short-answer response for the following:
Think of a situation where null value should be allowed and a situation where it should not be allowed. What are the consequences of inappropriate null settings?
5. Write 200- to 300-word short-answer response to the following:
What is the data dictionary's function in database design?
6. Write 200- to 300-word short-answer response to the following:
What are business rules? Why are they important to a database designer?
7. Write 200- to 300-word short-answer response to the following:
What is the minimal data rule in conceptual design? Why is it important?
8. Write 200- to 300-word short-answer response to the following:
List and briefly explain the activities involved in the verification of an ER model.
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What is conundrums expected current share price
: Conundrum Mining is expected to generate $12 million, $18 million, $22 million and $26 million in free cash flows over the next four years, after which they are expected to grow at a rate of 5% per year. If the weighted average cost of capital is 12%..
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Downsizing and the expansion the firm oversees
: The focus on core competencies seems to mandate both a downsizing and the expansion the firm oversees. Is this a contradiction? (Hint: Discuss the concept of core competencies and then show how spreading a business across boarders expands the gains f..
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What methodologies are used in study published by nguyen
: What methodologies are used in the study published by LeBlanc and Nguyen (1999)? List them. Identify the procedure that was followed for sample selection as well as the sample size.
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Investor required rate of return-stock is currently trading
: A stock current dividend is $1.00 and its expected dividend is $1.10 next year. If the investor required rate of return is 15% and the stock is currently trading at $20.00. What is the implied expected price in one year?
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Why it is necessary to choose appropriate data types
: Why it is necessary to choose appropriate data types for each data column. How must a database designer balance the time to complete data modeling steps with the benefits the data modeling process offers in creating
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Determine the optimal number of currencies
: How would you go about determine the optimal number of currencies in the world? In a region like Europe? Within a country like the United States? Describe your approach to the issue, and use your analytical framework to compare the appropriateness of..
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Withholdings and employer matching
: The employees of the Chop House earned gross salaries of $45,000 during January. The company complied with the law regarding employees' withholdings and employer matching.
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What is the net present value of this investment
: An orcharder spends $100,000 to planet pomegranate bushes. It will take four years for the bushes to provide a usable crop. He estimates that every year for 20 years after that he will receive a crop worth $9,500 per year. If the discount rate is 9%,..
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What is annas holding period return
: Anna purchased 100 shares of spring, inc. stock of at a price of $54.34 three years ago. She sold all stocks today for $53.35. During the year the stock paid dividends of $3.25 per share. What is Anna's holding period return?
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