Skip to Main Content
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
1.2 Data Modeling for Data Warehouses 23
Chapter 1
between the PRODUCT and CATEGORY entities. The PRODUCT
dimensional entity in Figure 1.14 has the name of the category rolled into
the PRODUCT entity, minimizing on joins and ultimately providing for
faster performing code in a data warehouse.
Transactional databases usually have some form of demographic infor-
mation attached to transactions, either directly or through relations with
other entities. The equivalent for a data warehouse is sometimes a location
dimension such as that shown in Figure 1.15.
Figure 1.16 shows a transformation between a relational entity location
structure design and that of ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Oracle 10g Data Warehousing

Oracle 10g Data Warehousing

Lilian Hobbs, Susan Hillson, Shilpa Lawande, Pete Smith
Expert Oracle Enterprise Manager 12c

Expert Oracle Enterprise Manager 12c

Kellyn Pot'vin, Anand Akela, Gokhan Atil, Bobby Curtis, Alex Gorbachev, Niall Litchfield, Leighton Nelson, Pete Sharman

Publisher Resources

ISBN: 9781555583354