How to fix the Oracle error ORA-14158: too many subpartition descriptions?

In this post, you’ll learn more about the Oracle ErrorORA-14158: too many subpartition descriptions with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14158: too many subpartition descriptions

Reason for the Error ORA-14158: too many subpartition descriptions

CREATE TABLE or CREATE INDEX contained too many subpartition descriptions; maximum number of subpartitions is 1048575.

How to fix the Error ORA-14158: too many subpartition descriptions ?

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

Reduce number of subpartitions to not exceed 1024K-1.