Question 9.2

2 S commits> system crash system crash occurs as indicated ately afte m10g Scommitss log a Which transactions, if any, need to undone? transactions, if any, need to be b which tnsactions, if any, are not affected by the wnich vansactioiable crash? s in different transactions refer tod ing the d AsSi with the same names, what are the final a to da tems with the same na and z? values of w ilure occurs while the first r e. if a second system failure occurs whi ress, what needs to be done after the syste stem recovers fo prog the second time? 92 Assume that the same transactions and operations 9.2 Assume that Exercise update protocol. 9.1 are being done by a system that uses the de n deferne a. Rewite the log entries for the transactions in Exercise9.1 logging method. b. Which transactions, if any, need to be redone? 2 S commits> system crash system crash occurs as indicated ately afte m10g Scommitss log a Which transactions, if any, need to undone? transactions, if any, need to be b which tnsactions, if any, are not affected by the wnich vansactioiable crash? s in different transactions refer tod ing the d AsSi with the same names, what are the final a to da tems with the same na and z? values of w ilure occurs while the first r e. if a second system failure occurs whi ress, what needs to be done after the syste stem recovers fo prog the second time? 92 Assume that the same transactions and operations 9.2 Assume that Exercise update protocol. 9.1 are being done by a system that uses the de n deferne a. Rewite the log entries for the transactions in Exercise9.1 logging method. b. Which transactions, if any, need to be redone