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EVENT: 3177 "enable logging of read-only violations" (Doc ID 1206774.1)

Last updated on APRIL 03, 2020

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 11.1 to 11.2]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.


This event can be used to identify SQL within an application that cannot be run on a READ-ONLY database environment (i.e. Active Data Guard) because it requires READ-WRITE access to data (i.e. DML, DDL, sequences in a table). It can also be used to diagnose ORA-16000 'database open for read-only access' issues.


All DBAs and Support Engineers


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