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
outerjoin
of 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