1) What is a shadow copy scheme?
2) Give the reasons for allowing concurrency.
3) What are the two types of serializability?
4) Define the phases of two phase locking protocol.
5) What do you mean by an index?
6) Define query optimization.
7) What are the types of storage devices?
8) What do you mean by access time, seek time and average seek time.
9) describe rotational latency time and average latency time in detail.