Each question carries 10 points. This assignment is due on February 14, 2002.

Q1: What factors affect the performance and implementation of centralized and distributed concurreny control
       algorithms?

Q2: What are the different ideas for increasing the degree of concurrency? You may give examples.

Q3: What do we mean by adaptability in transaction processing? Can you switch between timestamp and
       locking based algorithms. What transformations are needed? You may give examples.