How to fix the Oracle error ORA-30001: trim set should have only one character?

In this post, you’ll learn more about the Oracle ErrorORA-30001: trim set should have only one character with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30001: trim set should have only one character

Reason for the Error ORA-30001: trim set should have only one character

Trim set contains more or less than 1 character. This is not allowed in TRIM function.

How to fix the Error ORA-30001: trim set should have only one character ?

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

Change trim set to have only 1 character.