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1.Write two to three paragraphs answering each of the following questions: a What are the three types of database critical events that can trigger the database recovery process? Give some examples for each one. b List and discuss the four transaction properties 2. Research and provide three to five paragraphs covering the following: There are many risks in conducting business on the Internet. Discuss the levels at which security is carried out in web-based database applications. Discuss why security needs to be in place and what kinds of security are needed to secure a database tied to the web. What are the costs of both implementing the security (in terms of designing and implementing security structures and monitoring their use) and the costs of not implementing the security (stolen data, angry customers, system damage, repair time, etc.).
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What are some ways in which we as researchers can present our data and our findings in a way that can be understood my managers, employees and other stakeholders?
How would you define research? What is the purpose of business research? How has the Internet changed the quality and quantity of research?
A friend has offered to play a gambling game with you that involves flipping a coin that he has provided. Since a flip of heads will be to his advantage, you want to test the coin for fairness before you begin to play. Your friend is willing to..
Two-sample T for side_sideAge_Group N Mean StDev SE Meanelderly 9 22.2 10.3 3.4young 8 15.13 3.91 1.4Difference = mu (elderly) - mu (young)Estimate for difference: 7.1095% CI for difference: (-1.13, 15.32)T-Test of difference = 0 (vs not =): T..
An experimenter wants to conduct a hypothesis test on a claim that there was no differencebetween two population means. That is, H0: μ1 - μ2 = 0. Which of the following 95% confidenceintervals on the difference, μ1 - μ2, would lead to rejectio..
Test a manufacturer's claim that the average life of its product is 100 hours (H0: µ = 100). There is evidence that the true average life of the product is not as advertised.
For a particular company, data was collected on hourly workers and salaried workers preference for two difference pension plans: Plan 1 (p1) and Plan 2 (p2). Using the table below, what is the probability employees prefer Plan 1?
A study done by the Ohio State University Medical Center examined whether or not taking an aspirin a day would help colon cancer patients reduce the chance of getting subsequent colon polyps. 635 patients with colon cancer participated; 317 of ..
A major dvd rental chain is considering opening a new store in an area that currently does not have any such stores. The chain will open if there is evidence that more than 5,000 of the 20,000 households in the area are equipped with dvd playe..
if you were constructing a 99% confidence interval of the population mean based on a sample of n= 20 where the standard deviation of the sample s= 0.05 the critical value of t will be
"Object-Orientated Databases will eventually supplant Relational Databases and RDBMSs as the predominant data storage / retrieval paradigm.
imagine that you are the administrator for a small accounting company which currently employees 200 people. the ceo
Making a query to produce all clients for one of the sales that are assigned to multiple clients - Produce a full client list by each sales person.
Knowledge and Data Warehousing
Create a Microsoft Word table that identifies the advantages, disadvantages, computer requirements, initial costs, and future savings for an organization considering an engagement in virtualization.
How much of the total materials handling cost would be allocated to the wall mirrors - the materials handling cost is allocated on the basis of material moves
Assignment 5: Logical Design, Part II, Explain the problems associated with data redundancy as it pertains to effectively using information for reporting and analysis.
What is the purpose of default constructor - What is the difference between constructor and method
A disscussion of the information used in the system. A disscussion of any information-sucurity and ethical concerns with the system. MPR system
you are working for country club with thousands of members. you have been tasked with designing a database to keep
to analyse a set of data and write a memo identifying and explaining your insights into the operation of todd
What is the role of a DBMS, and what are it advantages - what are its disadvantages?
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