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a. Define the term "deadlock". There are four conditions that must hold before deadlock is possible. Name them.
b. Outline an algorithm that detects whether there is a deadlock. The algorithm should be able to cope with multiple types of resources, each type having a limited number of units available.
c. When should the algorithm be invoked? The answer to this question may depend on system characteristics such as the rate of resource requests, the granularity of resources, and the expected rate of deadlock. List three possible choices and discuss the criteria you would use to choose among them.
A file of employee have 10,000 blocks on a cylinder of a disk with characteristics r=8ms and btt=0.6ms I want to know the cost of read inthe file under following conditions for a q
a set of possible data value of an attribute is called??
Find the names of all Albums that have more than 30 tracks. Result: (name: varchar(255))
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What is average response time? The average response time is that the average time for a transaction to be done after it has been submitted.
what is completeness constrent?
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
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