How to fix the Oracle error ORA-25441: duplicate column value for table alias: string?

In this post, you’ll learn more about the Oracle ErrorORA-25441: duplicate column value for table alias: string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25441: duplicate column value for table alias: string

Reason for the Error ORA-25441: duplicate column value for table alias: string

An attempt to evaluate was made, which failed because one of the column values supplied a value for a table alias, which already had a table value supplied.

How to fix the Error ORA-25441: duplicate column value for table alias: string ?

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

Check the table and column values specified, and try again with either a table value or column values for each table alias.