Deep Dive Into GraphQL Grammar and Syntax
summary
Explains how GraphQL gives the client precise field-level control to avoid over- and under-fetching, with an example against the public Star Wars GraphQL (executed in Apollo Studio) that returns a response mirroring the query and uses cursor-based pagination. Describes runtime steps: SDL schema parsing, query → AST validation, then execution where a resolver per field runs. Recommends managed services (Apollo, Hasura), notes DataLoader patterns and federation to avoid N+1 and scale.
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chapters (8)
- 0:00Introduction
- 1:28What is GraphQL
- 5:20GraphQL demo
- 9:15How GraphQL works
- 17:18GraphQL spec
- 18:45Syntax overview
- 24:42Best practices
- 25:09Q&A
