Teradata Partition Backup

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Teradata Partition Backup

Has anyone used the new feature partition backup. I am trying to take partition backup based on the example given on the manual and it is doing a full table backup skipping the condition.

I might be wrong on where clause...

If someone has done it before can share their knowledge.

I appreciate the help.

archive data tables
( partitions where
(! Transaction_Dt between current_date - 3 and current_date!) ),
release lock,