Once The Lowerlevel Lock Is Released The Operation Cannot Be #183
Once the lower-level lock is released, the operation cannot be undone by using the old values of updated data items, and must instead be undone by executing a compensating operation; such an operation is called
This multiple choice question (MCQ) is related to the book/course
gs gs117 Database Management System.
It can also be found in
gs gs117 Recovery System - Lock Release and Undo Operations - Quiz No.1.
Once the lower-level lock is released, the operation cannot be undone by using the old values of updated data items, and must instead be undone by executing a compensating operation; such an operation is called
Logical operation
Redo operation
Logical undo operation
Undo operation
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