How to fix the Oracle error ORA-01239: database must be in ARCHIVELOG mode to use external cache?

In this post, you’ll learn more about the Oracle ErrorORA-01239: database must be in ARCHIVELOG mode to use external cache with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-01239: database must be in ARCHIVELOG mode to use external cache

Reason for the Error ORA-01239: database must be in ARCHIVELOG mode to use external cache

An online file uses an external cache, but the database is in NOARCHIVELOG mode. Since an external cache may require media recovery this can not be allowed.

How to fix the Error ORA-01239: database must be in ARCHIVELOG mode to use external cache ?

You can fix this error in Oracle by following the below steps

Change database to be in ARCHIVELOG mode or do not use an external cache.