What takes place when a process accesses a data object on which it already holds a lock, and the access mode requires a more restrictive lock than the one currently held?
A. Lock wait
B. Lock timeout
C. Lock escalation
D. Lock conversion
What takes place when a process accesses a data object on which it already holds a lock, and the access mode requires a more restrictive lock than the one currently held?
A. Lock wait
B. Lock timeout
C. Lock escalation
D. Lock conversion