One of the most useful features of a GraphQL query is that you can collect data about multiple types in one request. In this video, we'll look at how to use nested fields to gather data about the Customer type and the Pet type.
To follow along with these queries, go to the Pet Library GraphQL Playground.
This course is so popular, and so many people have put in data, that the allCustomers query is a bit slow. Product of success.
Thanks a lot for the heads up! Just cleaned out the DB so this should be back to working much faster!