How to fix the Oracle error ORA-10921: Cannot drop tablespace belonging to default temporary tablespace group?

In this post, you’ll learn more about the Oracle ErrorORA-10921: Cannot drop tablespace belonging to default temporary tablespace group with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-10921: Cannot drop tablespace belonging to default temporary tablespace group

Reason for the Error ORA-10921: Cannot drop tablespace belonging to default temporary tablespace group

An attempt was made to drop a tablespace in the default database temporary tablespace group.

How to fix the Error ORA-10921: Cannot drop tablespace belonging to default temporary tablespace group ?

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

Either change the database default temporary tablespace or change the tablespace group of this tablespace.