Reference no: EM131087591
Introduction to Databases
Please include the questions with your answers. Answer in complete sentences where applicable.
1. Explain what a modification problem is. What are the three possible types of modification problems?
Use the following spreadsheet segment to answer the next three questions:
Girls' Cross-Country Team
2. Describe 2 problems that the Girls' Cross-Country Team spreadsheet could present. Be specific, using information in the spreadsheet in your descriptions.
3. Break the spreadsheet into two tables, describing what information is contained in each one.
4. Describe how the two tables will solve the two problems you described in #2.
5. What does SQL stand for? What is its purpose?
6. Describe the use of an index.
7. What are the ten functions of a DBMS?
8. Define the term "referential integrity constraint" and give an example.
9. What is the difference between a database, a DBMS, and a database application?
10. What is a NoSQL database? What are Web 2.0 applications?
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Utilize the put-call parity principle to analyze
: Utilize the Put/Call Parity principle to analyze the following situation and discuss whether there is a profitable strategy. If there is a profitable strategy, what is it? Explain your calculations.
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What is the current value of lease
: Your car dealer is willing to lease you a new car for $319 a month for 72 months. Payments are due on the first day of each month starting with the day you sign the lease contract. If your cost of money is 4.9 percent, what is the current value of th..
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Define the concept of time value of money
: Define the concept of ‘time value of money’. Could the ‘time value of money’ vary over time? Search different periods in economic history to find examples to support your argument.
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Discuss the advantages of declaring and instantiating data
: Discuss the advantages of declaring and instantiating data in multidimensional arrays. Show an example that you can use in one of your programs or any program.
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What are the ten functions of a dbms
: What are the ten functions of a DBMS? Define the term "referential integrity constraint" and give an example. What is the difference between a database, a DBMS, and a database application?
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What organizations undertake the validation of forensic tool
: What organizations undertake the validation of forensic tools (who are the trusted sources of tools validation reports). The processes and tests used to validate forensic tools.
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Perform two iterations of gauss-sidel
: Math 164 - Perform two iterations of Gauss-Sidel to approximate the solution of the system - What condition on A guarantees that the iterations will converge?
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What is a lenticular cloud
: 1. What is a lenticular cloud? Where and how do they form - provide a graphic 2. What is a wall cloud? What sort of weather is indicated by the formation of this type of cloud? Provide a graphic
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A study of factors affecting the human cone photoreceptor
: a. The reported coefficient of multiple determination was .834. Interpret this value, and carry out a test of model utility.
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