How to fix the Oracle error ORA-12822: duplicate option in PARALLEL clause?

In this post, you’ll learn more about the Oracle ErrorORA-12822: duplicate option in PARALLEL clause with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12822: duplicate option in PARALLEL clause

Reason for the Error ORA-12822: duplicate option in PARALLEL clause

DEGREE or INSTANCES was specified more than once within a PARALLEL clause.

How to fix the Error ORA-12822: duplicate option in PARALLEL clause ?

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

specify each desired PARALLEL clause option only once.