Delete Data

[Amuro Copperfield]

Hi，all I have a question. How can i delete some older data build by kylin such 
as before someday, then use a later day as a new start day?

via Newton Mail 
[https://cloudmagic.com/k/d/mailapp?ct=dx&cv=9.2.8&pv=10.12.1&source=email_footer_2]