nms:deliveryLogStats is an aggregate built on top of all deliveries sent from Adobe campaign, you can use this to query per delivery basis or more than one delivery basis."Deliveries" Link from "nms:deliveryLogStats" mentioned above, will be used for filtering for your purpose.
You can use this link for select reports for one or many campaigns, one or many deliveries.
Thanks for your kind reply. But my use case is the following.
for a particular date and for a particular journal id ( I'm working for an paper publishing company ), I want to display the number of emails sent, no of unique clicks happened on the email, no of unique opens in the following format.
Total Deliveries sent out
Unable to decide on the schemas to fetch relevant data