How to show missing dates on the view

Turn-off show missing dates data, then it will not show the Missing data, it means will show only data which is available in database.

observe the following image, where there is no data for 06-03-2016 (DD-MM-YYYY).

I have turned-on sow missing values ( As above image). Then we are getting the data for 06-03-2016 (DD-MM-YYYY) and  that is NULL

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Another Example

Missing dates are having sales volume null.