How to fix the Oracle error ORA-25146: EXTENT MANAGEMENT option already specified?

In this post, you’ll learn more about the Oracle ErrorORA-25146: EXTENT MANAGEMENT option already specified with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25146: EXTENT MANAGEMENT option already specified

Reason for the Error ORA-25146: EXTENT MANAGEMENT option already specified

In CREATE TABLESPACE, the EXTENT MANAGEMENT option was specified more than once.

How to fix the Error ORA-25146: EXTENT MANAGEMENT option already specified ?

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

Remove all but one of the EXTENT MANAGEMENT specifications.