How to fix the Oracle error ORA-25155: column used in NATURAL join cannot have qualifier?

In this post, you’ll learn more about the Oracle ErrorORA-25155: column used in NATURAL join cannot have qualifier with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25155: column used in NATURAL join cannot have qualifier

Reason for the Error ORA-25155: column used in NATURAL join cannot have qualifier

Columns that are used for a named-join (either a NATURAL join or a join with a USING clause) cannot have an explicit qualifier.

How to fix the Error ORA-25155: column used in NATURAL join cannot have qualifier ?

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

Remove the qualifier.