How to fix the Oracle error ORA-12915: Cannot alter dictionary managed tablespace to read write?

In this post, you’ll learn more about the Oracle ErrorORA-12915: Cannot alter dictionary managed tablespace to read write with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12915: Cannot alter dictionary managed tablespace to read write

Reason for the Error ORA-12915: Cannot alter dictionary managed tablespace to read write

Attemp to alter dictionary managed tablespace to read write in database which has system tablespace as locally managed. This tablespace can only be dropped.

How to fix the Error ORA-12915: Cannot alter dictionary managed tablespace to read write ?

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

Command cannot be issued.