0 to 100: A GraphQL tutorial
summary
Live demo showing a Postgres database deployed to Heroku and an auto-generated GraphQL API using Hasura, with tables imported from a music dataset and relationships created from foreign keys. Queries show nested filtering and sorted results, a subscription updating an aggregate count (368 tracks) in real time, and a mutation that inserts an artist and returns only requested fields. Everything is built and exercised in the UI and it works end to end. subscriptions
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chapters (5)
- 0:00Deploying a GraphQL server
- 1:25Database setup and schema
- 7:36Querying data with GraphQL
- 10:58Using GraphQL subscriptions
- 12:22Mutations and conclusion
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