You are part of a development team that needs to adopt an integrated development environment tool to increase programmer productivity. the team narrowed the options down to two. one is open-source; the other will require an expensive site license. the tool you choose must be reliable, stable and well maintained. which of the following could be a disadvantage for you to choose open-source, and thus a compelling enough reason to purchase the licensed software instead of using the open-source solution?

What season was better from fortnite?

Complete the sentence about a presentation delivery method

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)?