Explain how the following differ: fragmentation transparency, replication transparency, and location transparency.
Answer to relevant QuestionsHow might a distributed database designed for a local-area network differ from one designed for a wide-area network?Consider a distributed system with two sites, A and B. Can site A distinguish among the following?• B goes down.• The link between A and B goes down.• B is extremely overloaded and response time is 100 times longer ...Consider the following deadlock-detection algorithm. When transaction Ti, at site S1, requests a resource from Tj, at site S3, a request message with timestamp n is sent. The edge (Ti, Tj, n) is inserted in the local ...In a range selection on a range-partitioned attribute, it is possible that only one disk may need to be accessed. Describe the benefits and drawbacks of this property.Some parallel database systems store an extra copy of each data item on disks attached to a different processor, to avoid loss of data if one of the processors fails.a. Why is it a good idea to partition the copies of the ...
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