GraphQL Type System Explained with Examples for API Developers |
GraphQL is a strongly typed language. Type System defines various data types that can be used in a GraphQL application. The type system helps to define the schema, which is a contract between client and server. GraphQL can be used with any backend framework or programming language. GraphQL query language is basically about selecting fields on objects. GraphQL services can be written in any language.
The commonly used GraphQL data types are
1. Scalar - Stores a single value
2. Object - Shows what kind of object can be fetched
3. Query - Entry point type to other specific types
4. Mutation - Entry point for data manipulation
5. Enum - Useful in a situation where you need the user to pick from a prescribed list of options
#graphqlapi #graphqlserver #graphql
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