Question: 1) What are binary locks? 2) What are exclusive/shared locks? How do they insure more concurrency? 3) What is lock escalation? Give an example. 4)

1) What are binary locks? 2) What are exclusive/shared locks? How do they insure more concurrency? 3) What is lock escalation? Give an example. 4) What is the 2 phase locking protocol? Why is it important 5) What is conservative 2 phase locking? Are there any drawbacks? 6) What is strict 2 phase locking? Are there any drawbacks? 7) Discuss one of the examples of 2 phase locking given in the slides. How does it assure that the resulting changes to the database are correct?

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