How to fix the Oracle error ORA-12805: parallel query server died unexpectedly?

In this post, you’ll learn more about the Oracle ErrorORA-12805: parallel query server died unexpectedly with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12805: parallel query server died unexpectedly

Reason for the Error ORA-12805: parallel query server died unexpectedly

A parallel query server died unexpectedly, PMON cleaning up the process.

How to fix the Error ORA-12805: parallel query server died unexpectedly ?

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

Check your system for anomalies and reissue the statement. If this error persists, contact Oracle Support Services. See trace file for more details.