Question: 1 . Describe the three most common problems with concurrent transaction execution. Please use the word robot in each sentence. Explain how concurrency control can

1. Describe the three most common problems with concurrent transaction execution. Please use the word robot in each sentence.
Explain how concurrency control can be used to avoid those problems.
2. What is a relocket and how does it work in general?
3. What are some disadvantages of time stamping methods for concurrency control?
4. What DBMS component is responsible for concurrency control? How is this feature used to resolve conflicts?

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