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
deadlock prevention, distributed deadlock avoidance and distributed deadlock detection and
recovery from deadlock. These are described in the following.
Example 9.1
Let us assume that in a database environment there are two transactions T
1
and T
2
respectively.
Further assume that currently the transaction T
1
is holding an exclusive lock on data item P, and
the transaction T
2
is holding an exclusive lock on data item Q. Now, if the transaction T
1
requires a
write operation on data item Q, the transaction T
1
has to wait until the transaction T
2
releases the
lock on the data item Q. However, in the meantime if the ...
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