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Computers and Technology, 06.09.2019 03:30 aydanbelle
Maria is an experienced programmer who has worked on different projects. she was recently promoted to be a software development team leader. what skills must programmers like maria exemplify in order to do well as a team leader?
software development team leaders skills to excel in directing their teams.
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Computers and Technology, 23.06.2019 10:20
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)?
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Maria is an experienced programmer who has worked on different projects. she was recently promoted t...
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