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  • Hi, I want to append a static dataset A and an live one B (that is updated every week). If i used this method, will i lose my first week data once i approach the second week? Thank you Let's say we are on 1st week June 2017 A contains data Feb 2017 - May 2017 B contains data 1st week Jun 2017 Append will result Feb 2017 -…