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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
116
5.2
Dimension Object Syntax
Improved Performance
. Using dimensional object hierarchies can
help to improve query, query rewrite, and optimizer performance.
We will attempt to demonstrate all of the factors in this list later on in
this chapter.
Note:
When building dimensional hierarchies with dimension objects,
always attempt to build hierarchical structures from a business require-
ments perspective. Business people need to use the data in your data ware-
house. Programmers and database administrators only build data
warehouses; they do not actually use the data to retrieve real-world applica-
ble results.
Let’s take a brief look at the negative ...
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Publisher Resources

ISBN: 9781555583354