Exercise 17.7Briefly answer the following questions:
1. Draw a Venn diagram that shows the inclusions between the classes of schedules permitted by the following concurrency control protocols: 2PL, Strict 2PL, Con servative 2PL, Optimistic, Timestamp without the Thomas Write Rule, Times
2. Give one example schedule for each region in the diagram.
3. Extend the Venn diagram to include serializable and conflict-serializable schedules.
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