Architecture and Adminisration Q005

Which of the following best describes a parallel server configuration?


1. One database, multiple instances.
2. One instance, multiple databases.
3. Multiple databases on multiple servers.
4. Shared server processes handle many users.



Answer 1 : In a parallel server configuration there are multiple instances mounted on one database. An instance is only ever associated with one database, but a database can have multiple instances or nodes.

This is now called RAC in later versions of Oracle 9i, 10g and 11g.