Memory Architecture Definitions

Objective: Understand, at a relatively high level, how Oracle works. Just as a pilot needs to understand the basics of flight and how an airplane is put together, a database administrator (DBA) of an Oracle database needs to understand what parts make up both the Oracle instance and the database, how these are configured, and how client applications access the database to query and modify data. However, the pilot of an airplane is not the person who has all the answers. Where an aircraft mechanic has more knowledge about the inner workings of the jet engine, for example, the database administrator does not necessarily need to know intimate details about how the different components of Oracle work but does need to understand the interrelationships between them.