GraphQL

9.

Advanced GraphQL Concepts

9.1.

9.1.1.

GraphQL Error Model

9.1.2.

Partial Response Handling

9.1.3.

Error Array Structure

9.1.4.

Custom Error Types

9.1.5.

Error Extensions

9.1.6.

Error Propagation

9.1.7.

Client Error Handling

9.2.

Authentication and Authorization

9.2.1.

Authentication Strategies

9.2.1.1.

Token-Based Authentication

9.2.1.2.

Session-Based Authentication

9.2.1.3.

OAuth Integration

9.2.2.

Authorization Patterns

9.2.2.1.

Schema-Level Authorization

9.2.2.2.

Field-Level Authorization

9.2.2.3.

Resolver-Level Authorization

9.2.2.4.

Role-Based Access Control

9.2.2.5.

Attribute-Based Access Control

9.3.

Pagination Strategies

9.3.1.

Offset-Based Pagination

9.3.1.1.

Limit and Offset Parameters

9.3.1.2.

Implementation Patterns

9.3.1.3.

Performance Considerations

9.3.1.4.

9.3.2.

Cursor-Based Pagination

9.3.2.1.

Connection Specification

9.3.2.2.

Edges and Nodes Pattern

9.3.2.3.

PageInfo Object

9.3.2.4.

Forward Pagination

9.3.2.5.

Backward Pagination

9.3.2.6.

Cursor Implementation

9.4.

Performance Optimization

9.4.1.

N+1 Query Problem

9.4.1.1.

Problem Identification

9.4.1.2.

DataLoader Pattern

9.4.1.3.

9.4.1.4.

Caching Strategies

9.4.2.

Query Complexity Analysis

9.4.2.1.

Complexity Calculation

9.4.2.2.

Query Depth Limiting

9.4.2.3.

Query Cost Analysis

9.4.2.4.

9.4.3.

Persisted Queries

9.4.3.1.

Query Whitelisting

9.4.3.2.

Automatic Persisted Queries

9.4.3.3.

Performance Benefits

9.4.3.4.

Security Benefits

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8. Client Implementation

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10. GraphQL Federation and Composition