Computers and Technology, 03.09.2019 03:30 Bangggggg6
What is an example of an information system project in which senior management would be both the customer and the end user? how would you engage these managers differently in this type of a project than you would one in which the end users were a different group of people?
Answers: 2
Computers and Technology, 23.06.2019 10:20, chonawilson4
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
What is an example of an information system project in which senior management would be both the cus...
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