hi jacky
I tried to understand this
I think the problem is with the query
I mean
removing columns in blue will do the trick
Hi I think this link will help understand how to do
Maybe somebody can interact with you live....it should resolve very quickly
Lot of experts on this forum..
hello @harishgg1,
sorry for late reply. actually i think removing the query in Blue box that you mention will not solve the problem. I alse Need that record to be show in the query result.
thank you @harishgg1, i will try it 
hello @jeffw8713,
sorry for late reply. if T1 Value for 2019-03-21 is NULL then i want it to be 0,
So we still can COUNT the usage.