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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(c) The run-time support processor – This component physically accesses the database according
to the commands in the schedule generated by the query optimizer and is responsible for man-
aging main memory buffers. The run-time support processor is the interface to the operating
system and contains the database buffer (or cache) manager.
6.3.3 Distributed Data Independence
The reference architecture of a DDBMS is an extension of ANSI–SPARC architecture; therefore,
data independence is supported by this model. Distributed data independence means that
upper levels are unaffected by changes to lower levels in the distributed database architectur ...
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