Identify all fields you plan to include in the tables.
What will be an ideal response?
Answers will vary. Students should be imaginative and suggest field attributes that would be appropriate and typical in a public transportation system. Passenger, Route, Bus, and Fare Payment all have obvious characteristics that students can identify and use as fields, or attributes in an object-oriented model.
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Consider a deadlock detection scheme for a single server. Describe precisely when edges are added to and removed from the wait-for-graph.
Illustrate your answer with respect to the following transactions T, U and V at the server.
When U releases its write lock on ai, both T and V are waiting to obtain write locks on it. Does your scheme work correctly if T (first come) is granted the lock before V? If your answer is ‘No’, then modify your description.
The amount charged for the use of borrowed money is called ________
A) Present value (Pv) B) principal C) capital D) interest
Let G be a weighted graph, a minimum (minimal) spanning tree of G is a spanning tree with the ____.
A. maximum weight B. minimum weight C. maximum height D. minimum height
When a maintenance release methodology is used, all changes, critical and noncritical, are implemented consecutively as they arrive.
Answer the following statement true (T) or false (F)