How to fix the Oracle error ORA-12815: value for INSTANCES must be greater than 0?

In this post, you’ll learn more about the Oracle ErrorORA-12815: value for INSTANCES must be greater than 0 with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12815: value for INSTANCES must be greater than 0

Reason for the Error ORA-12815: value for INSTANCES must be greater than 0

PARALLEL parameter specifying number of instances must be a positive integer or DEFAULT

How to fix the Error ORA-12815: value for INSTANCES must be greater than 0 ?

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

specify a positive integer or DEFAULT for INSTANCES if parallelism across instances is desired.