"what live television show did jim morrison promise that he would take the word "higher" out for the doors' performance of "light my fire," and then he broke his promise and sang it loudly and clearly? "

Think about the poem "old ironsides." drag the subject of the poem to the subject box and the theme to the theme box. then decide whether each excerpt from the poem supports the subject or the theme.

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)?

To check whether your writing is clear , you can