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Consider the following relation:
There is a clustered index on eid and an unclustered index on age.
1. Which factors would you consider in deciding whether to make an index on a relation a clustered index? Would you always create at least one clustered index on every relation?
2. How would you use the indexes to enforce the constraint that eid is a key?
3. Give an example of an update that is definitely speeded up because of the available indexes. (English description is sufficient.)
4. Give an example of an update that is definitely slowed down because of the indexes. (English description is sufficient.)
5. Can you give an example of an update that is neither speeded up nor slowed down by the indexes?
Suppose an IP packet is fragmented into 10 fragments, each with 1% (independent) probability of loss. To a reasonable approximation, this means there is a 10% chance of losing the whole packet due to loss of a fragment. What is the probability of net..
Your game company recently released a new game. You want to find out more about those playing the game. You are interested in information about how much and why they play as well as in knowing more about their general demographics like gender, age, i..
Suppose we wish to represent an n-vertex graph G using the edge list structure, assuming we identify the vertices with the integers in the set {0,1,...,n?1}.
Which installation options are available for Customer Tracking System? Which would you suggest? How can you determine if implementation has been successful?
I have been trying for days to figure out how to get this working, but have yet to succeed in doing so. Can some please help me with this?
Analyze the current state of diffusion of virtualization technology? Rewrite the paragraph below showing more deep illustration of this question.
Ship A has two instruments, which provide digital information for navigation: (1) A global positioning system (GPS) measures the position and velocity of Ship A.
What is CMMI? Explain the advantages of implementing CMMI.
is the intersection of these languages context free? Why or why not?
Create a function display(string) which prints to the file with name equal to the string parameter, an alphabetical list of all words contained in the list along with the number of times they appeared in the input file.
Briefly compare and contrast the four techniques for analyzing the costs and benefits of a proposed system. What do you see as particular strengths and weakness of each method?
Live ness shows that a variable is potentially of future use in a program. The very busy expressions problem if an expression value is certainly of future use.
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