How to fix the Oracle error ORA-25446: duplicate column value for table alias: string, column: string?

In this post, you’ll learn more about the Oracle ErrorORA-25446: duplicate column value for table alias: string, column: string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25446: duplicate column value for table alias: string, column: string

Reason for the Error ORA-25446: duplicate column value for table alias: string, column: string

An attempt to evaluate was made, which failed because duplicate column values were supplied for the specified table alias and column name.

How to fix the Error ORA-25446: duplicate column value for table alias: string, column: string ?

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

Check the column values specified, and try again with only one column value for each table alias, and column name.