Problem

Exercise 18.8 Consider the three conditions under which a redo is unnecessary (Section 18....

Exercise 18.8 Consider the three conditions under which a redo is unnecessary (Section 18.6.2).

  1. Why is it cheaper to test the first two conditions?
  2. Describe an execution that illustrates the use of the first condition.
  3. Describe an execution that illustrates the use of the second condition.

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Solutions For Problems in Chapter 18