I’m a rose breeder, and I’m creating an app to track my pollinations. I’m trying to find a way to create a sum of numbers from a list of referenced items. Currently, I have 3 tables. Roses, Crosses, and Daily Pollinations. I have each of these refere...

I’m a rose breeder, and I’m trying to create an app to track all my pollinations each day. Currently, I have three tables: Roses, Crosses, and Daily Pollinations. I have each of these reference each other. When I create a new item/row in the Daily Po...