What is GraphQL?
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GraphQL is a query language for APIs that solves data-fetching challenges faced by front-end developers, namely eliminating over-fetching and under-fetching common in traditional REST APIs. In this video, developer Roy Derks explains how to define GraphQL schemas and execute fetch operations, returning JSON responses that contain precisely the requested data, even if it's aggregated from multiple sources.
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IBM
IBM Cloud
GraphQL
Graph
Graph Query Lanaguage
API
Rest API