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Oracle Data Warehouse Tuning for 10g
book

Oracle Data Warehouse Tuning for 10g

by Gavin JT Powell
April 2011
Intermediate to advanced content levelIntermediate to advanced
504 pages
16h 49m
English
Digital Press
Content preview from Oracle Data Warehouse Tuning for 10g
137
6
Partitioning and Basic Parallel Processing
This chapter covers Oracle Partitioning, including syntax and examples,
and some parallel processing as specifically applied to Oracle Partitioning.
In general, partitioning involves the physical splitting of large objects, such
as tables or materialized views, and their associated indexes into separate
physical parts. The result is that operations can be performed on those indi-
vidual physical partitions, resulting in a substantial reduction in I/O
requirements. Additionally, multiple partitions can be executed on in paral-
lel. Both of these factors make partitioning a tuning method, as opposed to ...
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Publisher Resources

ISBN: 9781555583354