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
62 3.2 Star Queries and Star Query Transformations
3.2 Star Queries and Star Query Transformations
Star queries and star query transformations are used to transparently change
the way queries are executed, typically between a single very large fact table
and multiple much smaller dimension tables in a data warehouse.
Note: Star queries were introduced many years ago in Oracle Database 7.
Star transformation queries, on the other hand, were introduced in Oracle
Database 8 and superseded star queries from Oracle Database 7. In the lat-
est versions of Oracle Database, the two terms both seem to describe an
Oracle Database 8 introduced star transformation ...
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