How to fix the Oracle error ORA-30656: column type not supported on external organized table?

In this post, you’ll learn more about the Oracle ErrorORA-30656: column type not supported on external organized table with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30656: column type not supported on external organized table

Reason for the Error ORA-30656: column type not supported on external organized table

Attempt to create an external organized table with a column of type LONG, LOB, BFILE, ADT, or VARRAY.

How to fix the Error ORA-30656: column type not supported on external organized table ?

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

These column types are not supported, change the DDL.