How to fix the Oracle error ORA-03221: Temporary tablespaces and temporary segments must have standard block size?

In this post, you’ll learn more about the Oracle ErrorORA-03221: Temporary tablespaces and temporary segments must have standard block size with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-03221: Temporary tablespaces and temporary segments must have standard block size

Reason for the Error ORA-03221: Temporary tablespaces and temporary segments must have standard block size

An attempt was made to do one of the following : (1) create a temporary tablespace with a non-standard block size or, (2) alter an existing permanent tablespace of non-standard block size to a temporary tablespace or, (3) issue a DDL statement that would result in the creation of a temporary segment in a tablespace of non-standard block size.

How to fix the Error ORA-03221: Temporary tablespaces and temporary segments must have standard block size ?

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

(1) If creating a temporary tablespace, do not specify a block size different from the standard block size. (2) If altering an existing permanent tablespace to a temporary tablespace, ensure that it is of standard block size. (3) Ensure that the user’s temporary tablespace is a tablespace having the standard block size.