How to fix the Oracle error ORA-12916: cannot shrink permanent or dictionary managed tablespace?

In this post, you’ll learn more about the Oracle ErrorORA-12916: cannot shrink permanent or dictionary managed tablespace with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12916: cannot shrink permanent or dictionary managed tablespace

Reason for the Error ORA-12916: cannot shrink permanent or dictionary managed tablespace

An attempt was made to shrink a permanent tablespace or a dictionary managed tablespace.

How to fix the Error ORA-12916: cannot shrink permanent or dictionary managed tablespace ?

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

Check the tablespace type and issue the statement only on locally managed temporary tablespaces.