GraphQL Queries
GraphQL queries are a core component of the GraphQL query language, used to request specific data from a GraphQL API in a declarative manner. They allow clients to define exactly what data they need, including nested fields and relationships, reducing over-fetching and under-fetching common in REST APIs. Queries are executed against a GraphQL schema, which defines the available types and operations.
Developers should learn GraphQL queries when building or consuming APIs that require flexible, efficient data retrieval, such as in modern web and mobile applications with complex data requirements. They are particularly useful in scenarios where clients need to fetch multiple resources in a single request or optimize network performance by minimizing payload size. This is common in e-commerce platforms, social media apps, and real-time dashboards.