column renaming is only supported if you do outerjoin for two data frames. If you have more than two and want column renaming then either:
- rename columns before the operations
- do sequential
outerjoinof 2 data frames at a time
column renaming is only supported if you do outerjoin for two data frames. If you have more than two and want column renaming then either:
outerjoin of 2 data frames at a time