Review the concepts discussed in Chapter 7, including page layout, columns, typography, and the design of headings. Then review Document 7.1 and think about what the best organization might be for this information. Write a memo to Sonia Reynard describing the design you plan to use and explaining why you think the design would work well for this audience and purpose. 2. Revise Document 7.1 and implement the design you described. Be sure to set aside 1.5 inches at the top for the USNEI logo

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)?

Which type of entity describes a fundamental business aspect of a database? a. linking b. lookup c. domain d. weak

To move an excel worksheet tab, simply right-click on it drag and drop it double-click on it delete it