a) transaction
b) operation
c) function
d) all of the mentioned
Answer: a
Explanation: A collection of instructions that performs a single logical function is called transaction
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The system periodically performs checkpoints that consists of the following operation(s) ____________
The undo and redo operations must be _________ to guarantee correct behaviour, even if a failure occurs during recovery process.
An actual update is not allowed to a data item ____________
In the write ahead logging a _____________ is maintained.
Write ahead logging is a way ____________
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