GraphQL Guide | Queries, Mutations & Schema Design |…

Query Language for Flexible and Efficient APIs

Understanding GraphQL: GraphQL is a query language and runtime for APIs that allows clients to request exactly the data they need.

GraphQL is a query language and runtime for APIs that allows clients to request exactly the data they need. Unlike REST, it focuses on delivering precise data requirements.

What is the difference between GraphQL and REST?

REST uses multiple endpoints with fixed data structures.

GraphQL uses a single endpoint where clients specify what data they need. GraphQL prevents over-fetching/under-fetching, but REST has better HTTP caching. GraphQL is more flexible but...

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How do I handle authentication in GraphQL?

Handle authentication through context passed to resolvers.

Extract tokens from headers, validate them, and attach user information to context. Use middleware or directives for authorization. GraphQL doesn't prescribe authentication—use it.

Frequently asked questions

What are GraphQL subscriptions??

GraphQL subscriptions are a feature that allows clients to receive real-time updates from the server. They're used for things like live data streams and notifications.

Subscriptions enable real-time updates i?

Yes, subscriptions enable real-time updates in GraphQL. Clients subscribe to events, and the server pushes updates when events occur.

Subscriptions use WebSockets under the h?

Subscriptions use WebSockets under the hood. They're useful for live data, notifications, and collaborative features. Not all GraphQL implementations support subscriptions natively.

GraphQL implementations support subscrip?

Yes, most GraphQL implementations support subscriptions. However, the specific implementation details may vary depending on the chosen library or framework.

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