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Distributed Database Systems, 1st Edition by Chhanda Ray
book

Distributed Database Systems, 1st Edition by Chhanda Ray

by Chhanda Ray
May 2024
Intermediate to advanced content levelIntermediate to advanced
325 pages
12h 2m
English
Pearson India
Content preview from Distributed Database Systems, 1st Edition by Chhanda Ray
Distributed Concurrency Control
121
(iii) Inconsistent analysis anomaly – The problem of inconsistent analysis occurs when a transac-
tion reads several values from the database but a second transaction updates some of them
during the execution of the fi rst.
Example 8.3
Let us consider the example of a banking system in which two transactions T3 and T4 are accessing the
database concurrently. The transaction T3 is calculating the average balance of all customers of a particular
branch while the transaction T4 is depositing $1,000 into one customer account with balance bal
x
at the
same time. Hence, the average balance calculated by the transaction ...
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Publisher Resources

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