Learn the cause and how to resolve the ORA-00020 error message in Oracle.
Description
When you encounter an ORA-00020 error, the following error message will appear:
- ORA-00020: maximum number of processes num exceeded
Cause
You tried to execute a statement that requested a resource. Since the maximum number of processes have been reached, Oracle will not process any new requests.
Resolution
The option(s) to resolve this Oracle error are:
Option #1
You can wait a few minutes and try to re-execute the statement(s).
Option #2
You can shut down Oracle, increase the PROCESSES parameter in the initialization parameter file, and restart Oracle.
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