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.