ORA-00957: duplicate column name
Cause: A column name was specified twice in a CREATE or INSERT statement. Column names must be unique within a table, view, or cluster.
Action: In a CREATE statement, change one of the column names to a new, unique column name. In an INSERT statement, remove one of the duplicate names. If this error occurred during an UPDATE statement, correct the statement so that each column listed in the SET clause is unique.
Error Type: ORA