DSXchange

I had source like this Key value Start_dt 1 100 01/02/2007 00:00:10 1 101 01/02/2007 00:00:15 1 100 01/02/2007 00:00:45 1 100 01/02/2007 05:05:10 2 900 01/03/2006 00:00:19 so any number of events can occur in day so im only intersted if the value field changes from the previous value so my target sh...