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1. Consider the following actions taken by transaction T1 on database objects X and Y : R(X), W(X), W(Y)
Give an example of another transaction T2 that, if run concurrently to transaction T without some form of concurrency control, could interfere with T1.
Explain how the use of Strict 2PL would prevent interference between the two transactions.
Strict 2PL is used in many database systems. Give two reasons for its popularity.
Declare several constructors for the class Student, which have different lists of parameters (for complete information about a student or part of it). Data, which has no initial value to be initialized with null. Use nullable types for all non-man..
Write pseudocode of the dynamic programming algorithm for solving this problem and determine its time and space efficiencies.
What is the accuracy of a two-bit predictor, assuming the predictor starts off in the bottom left state? What if the pattern repeats forever?
Provide at least one example of how being familiar with and following digital forensic best practices, AND criminal justice standards would benefit you, even if you worked in a non-criminal justice digital forensics position.
Modify the data structures for multiple-mode locks and the algorithms for read_lock(X), write_lock(X), and unlock(X) so that upgrading and downgrading of locks are possible.
The policy should include the Do's and Don'ts of computer and internet use as well as penalties that could be applied if the policy is breached.
Prove or disprove: you can always construct a spanning tree of G that includes every edge in X. If you try to prove this, you should provide an algorithm that finds the spanning tree. If you try to disprove it, you should provide a counter-example..
Assume that you were given an opportunity to purchase a real estate project using an equity participation loan. The NOI for each year of the holding period.
We want to find out if the mean age of first marriage has increased during the past 40 years.
Analyze the importance of having acceptable use policies, remote access policies, and network security control policies. Choose one acceptable use policy, remote access policy, or network security control policy and give three reasons why you beli..
Write an application that reads values representing a time duration in hours, minutes, and seconds, and then prints the equivalent total number of seconds.
Describe two (2) situations, that are not common, in which it is preferable to use the sleep method on a thread as opposed to a suspend method on a thread.
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