This lecture provides an overview of Oracle database files, including control, parameter, redo log, system data, diagnostic, user data, backup, and security files. It explains their roles and importance in database operations, maintenance, and recovery. The lecture emphasizes the basics of Oracle internals, encouraging learners to gradually deepen their understanding as they progress through the course.

What is the role of the Automatic Diagnostic Repository (ADR) in Oracle databases?

How do backup files function in the context of data recovery for an Oracle database?

What are flashback logs and when are they generated in an Oracle database?