1.

R-timestamp(Q) denotes?(a) The largest timestamp of any transaction that can execute write(Q) successfully(b) The largest timestamp of any transaction that can execute read(Q) successfully(c) The smallest timestamp of any transaction that can execute write(Q) successfully(d) The smallest timestamp of any transaction that can execute read(Q) successfullyThis question was posed to me in my homework.This is a very interesting question from Timestamp based Protocols topic in division Concurrency Control of RDBMS

Answer»

Correct OPTION is (b) The LARGEST timestamp of any TRANSACTION that can execute read(Q) successfully

The best EXPLANATION: R-timestamp(Q) denoted the largest timestamp of any transaction that can execute read(Q) successfully.



Discussion

No Comment Found

Related InterviewSolutions