How to fix the Oracle error ORA-12827: insufficient parallel query slaves (requested string, available string, parallel_min_percent string)?

In this post, you’ll learn more about the Oracle ErrorORA-12827: insufficient parallel query slaves (requested string, available string, parallel_min_percent string) with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12827: insufficient parallel query slaves (requested string, available string, parallel_min_percent string)

Reason for the Error ORA-12827: insufficient parallel query slaves (requested string, available string, parallel_min_percent string)

PARALLEL_MIN_PERCENT parameter was specified and fewer than the minimum number of slaves were acquired

How to fix the Error ORA-12827: insufficient parallel query slaves (requested string, available string, parallel_min_percent string) ?

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

Either reexecute the query with a lower PARALLEL_MIN_PERCENT or wait until some running queries are completed, thus freeing up slaves