Mutations in GraphQL are responsible for saving the data. Apollo Client offers interesting mechanisms that make working with mutations effective and pleasant.
Apollo client 3 enables the management of a local state through incorporating field policies and reactive variables. Take a look how to manage local state with Apollo client
When React renders a component that calls the useQuery hook, the Apollo Client runs the query automatically. Sometimes you need to query for data on some event. To do so you can use the useLazyQuery hook.
GraphQL lets a frontend developer quickly mock sample data, and switch to real data when the backend is done. In this tutorial I show how to mock fields, queries and mutations on client side
Nowadays, GraphQL is becoming more and more popular. I would like to show you how to get started with it and how to query for data to GraphQL APIs
If you use Graphql Apollo Client with React there are two ways of handling errors: query/mutation level and application level. Read what those approaches offer.