>>>> If people want to be able to quickly graph historical sales data, ... > > This sentence doesn't make sense. I think it should be: > > --- If people want to be able to quickly grab/obtain/get historical sales > data, ...
I'm not a native english speaker, but I'm pretty sure that sentence is correct. "graph" in this context refers to generating a graph of the data, which is made quite clear in the sentence below the codesnippet:
"This materialized view might be useful for displaying a graph in the dashboard created for salespeople."