How To Edit, Read, and Query the Alert.Log
(Doc ID 1072547.1)
Last updated on DECEMBER 17, 2019
Applies to:Oracle Database - Enterprise Edition - Version 220.127.116.11 to 18.104.22.168 [Release 9.2 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Information in this document applies to any platform.
Each database has an alert.log. The alert log of a database is a chronological log of messages and errors, including internal errors (ORA-600/7445), corruption errors , and deadlock errors (ORA-60), administrative operations, and SQL*Plus statements STARTUP, SHUTDOWN, ARCHIVE LOG, and RECOVER.
Oracle writes to the alert log every time one of these events occurs.
This note provides information on reading, editing and querying the alert log based on common questions surrounding the alert log.
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