How to fix the Oracle error ORA-28670: mapping table cannot be dropped due to an existing bitmap index?

In this post, you’ll learn more about the Oracle ErrorORA-28670: mapping table cannot be dropped due to an existing bitmap index with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-28670: mapping table cannot be dropped due to an existing bitmap index

Reason for the Error ORA-28670: mapping table cannot be dropped due to an existing bitmap index

User attempted to drop the mapping table with NOMAPPING option when the IOT has one or more bitmap indexed.

How to fix the Error ORA-28670: mapping table cannot be dropped due to an existing bitmap index ?

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

Drop the bitmap index(es) before dropping the mapping table.