Explain the One-Definition Rule and how it affects the division of code into source vs. header files.

The editing of digital photos us about the same level of difficulty as editing an analog photo

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)?

Choose the answers that best complete each sentence. on average, are more expensive than other kinds of postsecondary schools. the cost of room and board includes. to save money, some students attend auniversity in their home state.