How to resolve ORA-01109 Error Message in Oracle database

Learn the cause and how to unravel the ORA-01109 error message in Oracle.

Description

When you come upon an ORA-01109 error, the following error message will appear:

ORA-01109: database not open

Cause

You tried to perform an operation on a database that was once no longer opened.

Resolution

The option(s) to resolve this Oracle error are:

Option #1

Open the database and then retry the operation.