i have two collections,like..
date sum_total count_total
2020-05-10 10 5
2020-05-11 11 6
2020-05-13 5 7
second collection
date1 sum_total1 count_total2
2020-05-10 1 5
2020-05-12 2 4
2020-05-13 0 7
I need output like...
date sum_total count_total
2020-05-10 11 10
2020-05-11 11 6
2020-05-12 2 4
2020-05-13 5 14
I need to arrange data according to date.