O'Reilly logo
  • francis shey thinks this is interesting:

Understanding database diagnostic information

One of the most important abilities needed for a DBA is the ability to diagnose database problems. The data dictionary is often used for this task. However, Oracle has several other tools that we can use to diagnose problems, including logfiles, trace files, and the Automatic Diagnostic Repository.

Understanding the alert log

The most primary diagnostic tool used by DBAs is the database ale...