How to fix the Oracle error ORA-23515: materialized views and/or their indices exist in the tablespace?

In this post, you’ll learn more about the Oracle ErrorORA-23515: materialized views and/or their indices exist in the tablespace with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23515: materialized views and/or their indices exist in the tablespace

Reason for the Error ORA-23515: materialized views and/or their indices exist in the tablespace

An attempt was made to drop a tablespace which contains materialized views and/or their indices.

How to fix the Error ORA-23515: materialized views and/or their indices exist in the tablespace ?

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

Drop the materialized views in this tablespace. Also, find indices belonging to materialized views in this tablespace and drop then. Then try dropping the tablespace.