How to fix the Oracle error ORA-25186: INCLUDING clause specified for index-organized table without OVERFLOW?

In this post, you’ll learn more about the Oracle ErrorORA-25186: INCLUDING clause specified for index-organized table without OVERFLOW with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25186: INCLUDING clause specified for index-organized table without OVERFLOW

Reason for the Error ORA-25186: INCLUDING clause specified for index-organized table without OVERFLOW

INCLUDING clause of a CREATE TABLE is an valid option only for index-organized tables with OVERFLOW clause (at creation time) or if an OVERFLOW segment already exists (at ALTER time).

How to fix the Error ORA-25186: INCLUDING clause specified for index-organized table without OVERFLOW ?

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

Specify OVERFLOW clause for the index-organized table : For ALTER, perform ADD OVERFLOW first.