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Having data scattered about the organization in relational databases is usually not the best approach for decision analysis. For example, related data stored in different DBs can easily have differing formats and/or coding systems. Consider one manufacturer that maintained product data in one DB while maintaining order entry data in a different DB. Orders were placed using a product characterization code of, say, '01.' The problem was that the product management DB might have the same product characterization, but using the code of '010.' When reports were generated for analysis that involved both data sets, analysis anomalies were created on any comparison of that particular product characterization code. One way around this problem is to copy all transactional data to a centralized relational DB, also known as a data store or data warehouse.
What kind of difficulties could you imagine for creating such a DB?
Many predict that the future of e-commerce is pegged on the successful implementation of authentication. Discuss.
What u think about the article Database fight funding cuts
Determine the maximum period obtainable from following LCG? Xn+1 = aXn (mod 24). What must be the value of a?
Find the number of daylight hours for the middle of each month or the average monthly temperature for your community. Write a sinusoidal function to model this data.
Clarify and describe the problems of the NHS Choose and Book System. What people, organization, and technology factors were responsible for those problems?
Explain Opportunity Cost and provide an example.
Description: Part 2 is a new piece of work that should not include material from Part 1. As before, it is a written analysis (4500 words) of a complex ethical problem similar to that which you might encounter in the IT industry.
You are modeling an emergency communication system used to contact teachers in case inclement weather emergencies cause delayed openings or closures of the school. You may reach teachers by phone and/or email.
Describe how a steam turbine works. Sketch a simple drawing if needed.
In the same scenario at (b) above, what is the largest number of blocks that is ever stored in the client buffer, awaiting playout?
What are the three components of the C.I.A. triangle? What are they used for?
If they are less than 300 feet, she plans to sound the horn. How far apart are these vessels? Does the keeper have to sound the horn?
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