Tom is an aspiring animator. What qualification does he need to increase his chances of employment? A. bachelor’s degree in computer graphics B. master’s degree in business administration C. bachelor’s degree in arts D. bachelor’s degree in commerce

Which of the following is not a symptom of chronic fatigue syndrome

These factors limit the ability to attach files to e-mail messages. location of sender recipient's ability to open file size of file type of operating system used

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)?