How to delete duplicated rows? AWS US AWS Tokyo IDCF Praveena Jogi Updated September 24, 2018 18:19 Follow How to delete duplicated rows? Description How to delete duplicated rows? Resolution TD schema does not support unique key. So you need to remove duplicate rows by using GROUP BY or distinct in SQL Note. Related articles Hive Queries Fail Automatically when Disk Space Limits Reached Presto Query FAQs Release Note 20180901 Date Manipulation in TD Presto Architecture Overview Comments 0 comments Please sign in to leave a comment.