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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
240
Distributed Database Systems
The fi nal phase, called the write phase, either writes the modifi ed data into permanent
database and/or displays retrieved data to the user. In the write phase, the output list produced
by the transaction is broadcast to the “relevant” DMs as write messages. A DM is relevant if
it contains a physical copy of some logical data item that is referenced in the output list. The
updated data are written in SDD-1 database using a write-all approach. The atomicity of transac-
tions is preserved by using a specialized commit protocol that allows the commitment of transac-
tions in case of involved site failures.
The three-phase ...
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Publisher Resources

ISBN: 9781282652521Publisher WebsitePurchase Link