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Software Engineering

798What is RPC and How It Differs from REST
799RPC Protocols: XML-RPC, JSON-RPC, and gRPC
800Interface Definition Languages (IDLs)
801RPC Error Handling and Status Codes
802gRPC Streaming: Unary, Server, Client, and Bidirectional
803RPC Performance: Binary Protocols and HTTP/2
804When to Choose RPC Over REST
805What is GraphQL and Why It Exists
806GraphQL Schema and Type System
807Queries: Reading Data in GraphQL
808Mutations: Writing Data in GraphQL
809Arguments and Variables
810Aliases and Fragments
811Resolvers: The Execution Layer
812The GraphQL Execution Model
813Introspection and Schema Discovery
814GraphQL vs REST Trade-offs
815The N+1 Query Problem in GraphQL
816DataLoader Pattern for Batching and Caching
817Query Complexity Analysis and Limits
818Pagination Patterns in GraphQL
819Error Handling in GraphQL Responses
820Schema Stitching and Federation
821Persisted Queries and Query Whitelisting
822Subscription Scalability Challenges
823REST vs RPC vs GraphQL: Core Trade-offs
824When to Choose REST
825When to Choose RPC
826When to Choose GraphQL
827Mixing API Styles in Practice
828Evaluating API Style for Your Context

Software Engineering

798What is RPC and How It Differs from REST
799RPC Protocols: XML-RPC, JSON-RPC, and gRPC
800Interface Definition Languages (IDLs)
801RPC Error Handling and Status Codes
802gRPC Streaming: Unary, Server, Client, and Bidirectional
803RPC Performance: Binary Protocols and HTTP/2
804When to Choose RPC Over REST
805What is GraphQL and Why It Exists
806GraphQL Schema and Type System
807Queries: Reading Data in GraphQL
808Mutations: Writing Data in GraphQL
809Arguments and Variables
810Aliases and Fragments
811Resolvers: The Execution Layer
812The GraphQL Execution Model
813Introspection and Schema Discovery
814GraphQL vs REST Trade-offs
815The N+1 Query Problem in GraphQL
816DataLoader Pattern for Batching and Caching
817Query Complexity Analysis and Limits
818Pagination Patterns in GraphQL
819Error Handling in GraphQL Responses
820Schema Stitching and Federation
821Persisted Queries and Query Whitelisting
822Subscription Scalability Challenges
823REST vs RPC vs GraphQL: Core Trade-offs
824When to Choose REST
825When to Choose RPC
826When to Choose GraphQL
827Mixing API Styles in Practice
828Evaluating API Style for Your Context

← Software Engineering

Lesson 811 of 1,933·25. RPC and GraphQL API DesignPro lesson

Resolvers: The Execution Layer

Understanding how resolvers fetch data for each field and connect the schema to backend data sources.

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