 |
|
Oracle Tips
by Burleson Consulting
|
The Data Warehouse Development Life Cycle
Distributed Oracle Data Warehouses
Continuous Operation
While each site maintains a unique identity and controls its own
database management system, the site also functions as part of a
unified federation. Functioning as a part of a larger system enables
remote systems to access information from the site in a seamless
fashion. Continuous operation refers to the ability of each node to
be available to the overall system 24 hours per day, 7 days per
week. To accomplish this goal, remote sites may use Oracle’s hot
backups to back up the database while it remains available for
update by other nodes in the distributed system.
Location Independence
End users do not necessarily know, or care, about the physical
location of each component in a distributed database. In a
distributed database, information can be retrieved without
specifically referencing physical locations, making the database
appear to end users as a unified whole.
This is an excerpt from "High Performance
Data Warehousing", copyright 1997.
 |
If you
like Oracle tuning, you may enjoy the book
Oracle Tuning: The Definitive
Reference , with
over 900 pages of BC's favorite tuning tips &
scripts.
You can buy it
directly from the publisher and save 30%, and get
instant access to the code depot of Oracle tuning
scripts. |
