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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
302 10.3 What Can the MODEL Clause Do?
without the changes I could not show a true indication of multiple refer-
ence modeling using the MODEL clause. The other problem is that merg-
ing the new columns into the location entity would require updating all the
fact tables, which is not helpful for data warehouse performance. So I added
data outside of the established dimensional-fact entity structure created for
the existing data warehouse database.
Now we can add a reference model to the MODEL clause of one of
the queries we used before. The following script segments contain a single
reference model. This first segment has two columns, one for USD (U.S. ...
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Publisher Resources

ISBN: 9781555583354