How to fix the Oracle error ORA-30033: Undo tablespace cannot be specified as default user tablespace?

In this post, you’ll learn more about the Oracle ErrorORA-30033: Undo tablespace cannot be specified as default user tablespace with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30033: Undo tablespace cannot be specified as default user tablespace

Reason for the Error ORA-30033: Undo tablespace cannot be specified as default user tablespace

It is incorrect to specify undo tablespace as default user tablespace

How to fix the Error ORA-30033: Undo tablespace cannot be specified as default user tablespace ?

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

Check the tablespace name and reissue the command