Sorting table rows is based on the data in the selected a. cell range. b. cell. c. column. d. row.

Which of the following is an example of intellectual properly! oa. new version of a novelb. journal of ideasc. pages of a bookood. lines of a poem

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)?

Colby works as a shipping clerk for a major package delivery service. some of his daily tasks include tracking shipments and entering orders. which aspect of the information technology cluster would he most likely be trained in? a. networkingb. databasesc. hardwared. software