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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
406 14.2 Tuning Hardware Resources for Data Warehousing
Note: Setting values for PCTUSED, FREELIST, and FREELIST_
GROUPS in database objects such as tables will be ignored if the contain-
ing tablespace is set to automatic segment space management.
In past versions of Oracle Database, manual free list management
was usually only required for very highly concurrent active OLTP
databases or Oracle RAC (Parallel Server) installations. Access to the
PCTUSED parameter, on the other hand, helped immensely with
tuning for performance in the following respect. The default value for
PCTUSED is very low, at 40%. Any database with heavy deletion
activity could ...
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Publisher Resources

ISBN: 9781555583354