How to fix the Oracle error ORA-14145: only one UNUSABLE clause may be specified?

In this post, you’ll learn more about the Oracle ErrorORA-14145: only one UNUSABLE clause may be specified with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-14145: only one UNUSABLE clause may be specified

Reason for the Error ORA-14145: only one UNUSABLE clause may be specified

UNUSABLE was specified more than once.

How to fix the Error ORA-14145: only one UNUSABLE clause may be specified ?

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

Remove all but one of the UNUSABLE clauses and reissue the statement.