The system periodically performs checkpoints that consists of the following operation(s) ____________
A. Putting all the log records currently in main memory onto stable storage
B. putting all modified data residing in main memory onto stable storage
C. putting a log record onto stable storage
D. all of the mentioned
Answer:D
The system periodically performs checkpoints that consists of the following operation(s) ____________
A. Putting all the log records currently in main memory onto stable storage B. putting all modified data residing in main memory onto stable storage C. putting a log record onto stable storage D. all of the mentioned