Database services is an example of what?
question 5 options:
network services
sh...
Computers and Technology, 25.09.2019 01:30 joejoefofana
Database services is an example of what?
question 5 options:
network services
shared operations
cable
star layer
all of the above
Answers: 1
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Which of the following physical laws can make the flow of water seem more realistic? a. motion b. gravity c. fluid dynamics d. thermodynamics
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Suppose there is a relation r(a, b, c) with a b+-tree index with search keys (a, b).1. what is the worst-case cost of finding records satisfying 10 < a < 50 using this index, in terms of the number of records n1, retrieved and the height h of the tree? 2. what is the worst-case cost of finding records satisfying 10 < a < 50 and 5 < b < 10 using this index, in terms of the number of records n2 that satisfy this selection, as well as n1 and h defined above? 3. under what conditions on n1 and n2, would the index be an efficient way of finding records satisfying the condition from part (2)?
Answers: 1
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What is the most important for you to choose before you build a network?
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