All of the following statements about logistics information systems (LIS) are true except .

A. "Timely" can refer to how quickly a manager receives requested information
B. internal sources of logistics information are relatively plentiful "
C. Timely" can refer to the up-to-date status of information
D. a logistics information system (LIS) must be concerned with the nature and quality of data

What are the steps involved in accepting all the changes in a document? arrange these in order click edit. click accept or reject. click changes. click accept all.

Look at the far left lane in the picture. explain what the red car is doing and what it needs to do to travel safely.

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)?