Learn the cause and how to get to the bottom of the ORA-01034 error message in Oracle.
Description
When you come across an ORA-01034 error, the following error message will appear:
ORA-01034: Oracle not available
Cause
You tried to get entry to Oracle, however Oracle was once not started up.
Resolution
The option(s) to resolve this Oracle error are:
Option #1
This error may happen due to the fact the running system variable pointing to the instance was once no longer correct defined.
Option #2
This error might also also have took place because the SGA requires greater space.