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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
10.3 What Can the MODEL Clause Do? 297
Chapter 10
We can also create multiple-dimensional references for rules. Figure
10.14 shows that the CITY column is moved from the PARTITION BY
clause to the DIMENSION BY clause, allowing direct access in rules to the
CITY as well as the YEAR# dimensions.
Although this example may be somewhat uninteresting, Figure 10.15
removes all partitioned columns to the DIMENSION BY clause, allowing
rules access to all four columns. Note that even though dimension columns
Figure 10.11
An example
MODEL clause
query.
Figure 10.12
Symbolic
dimension
references.
298 10.3 What Can the MODEL Clause Do?
are specified as blank, that only the ...
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Publisher Resources

ISBN: 9781555583354