May 2024
Intermediate to advanced
325 pages
12h 2m
English
Content preview from Distributed Database Systems, 1st Edition by Chhanda Ray
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Distributed Database Systems
Each transaction has to terminate. The outcome of the termination depends on the success or fail-
ure of the transaction. Once a transaction starts execution, it may terminate in one of the following
possible ways:
The transaction aborts if a failure occurred during its execution.
The transaction commits if it was completed successfully.
A transaction may abort due to a variety of reasons. When a transaction is aborted, to maintain
the consistency of the data its execution is stopped, and the already executed actions are undone by
returning the database to the prior state that existed before the start of the execution. ...
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