Exploring GraphQL a Query language for APIs Training

Live Online & Classroom Enterprise Training

Learn the fundamentals of GraphQL, the modern query language for APIs that enables precise data fetching, high performance, and flexible integrations.

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What is Exploring GraphQL a Query language for APIs Training about?

This course introduces learners to GraphQL concepts, architecture, and real-world implementation practices. You’ll explore how GraphQL differs from REST, how to design schemas, write queries and mutations, and integrate GraphQL into modern applications. By the end of the program, you will understand how GraphQL improves API efficiency, developer experience, and scalability across frontend and backend systems.

What are the objectives of Exploring GraphQL a Query language for APIs Training ?

Understand GraphQL core concepts: schema, resolver, query, mutation, and subscription.
Learn how to design and build a GraphQL API from scratch.
Write efficient queries and handle data relationships.
Integrate GraphQL with frontend frameworks like React or Angular.
Implement best practices for performance, security, and error handling.

Who is Exploring GraphQL a Query language for APIs Training for?

Developers working with REST APIs who want to upgrade to GraphQL.
Frontend engineers seeking efficient data querying capabilities.
Backend developers building scalable API layers.
Full-stack developers exploring modern API technologies.
Technical students or professionals entering API development.

What are the prerequisites for Exploring GraphQL a Query language for APIs Training?

Prerequisites:

Basic understanding of APIs and web development.
Working knowledge of JavaScript or any programming language.
Familiarity with REST concepts (helpful but not mandatory).
Basic knowledge of JSON and HTTP methods.
Experience with any frontend or backend framework is an advantage.

Learning Path:

Introduction to GraphQL syntax and architecture.
Building GraphQL schemas and resolvers.
Queries, mutations, and subscriptions.
Integrating GraphQL with client applications.
Implementing security, caching, and deployment strategies.

Related Courses:

REST API Development Fundamentals
Full-Stack Development with Node.js
React with Apollo Client
API Design & Integration Best Practices

Available Training Modes

Live Online Training

3 Days

Course Outline Expand All

Expand All

Module 1: GraphQL Fundamentals

Introduction to GraphQL & Core Concepts

Schema, Types, and Resolvers

Queries, Mutations & Subscriptions

GraphQL Architecture & Workflow

GraphQL vs REST – Key Differences

Module 2: Advanced Tutorial – Clients

Apollo Client Setup & Configuration

Executing Queries & Mutations on Client

Client-side Caching & State Management

Handling Errors, Loading States & Pagination

Client Performance Optimization Techniques

Module 3: Advanced Tutorial – Server

Building a GraphQL Server (Node.js / Apollo / Express)

Defining Schemas & Modularizing Resolvers

Data Sources & Database Connectivity

Real-time Features with Subscriptions

Server Deployment & Production Best Practices

Module 4: Advanced Tutorial – More GraphQL Concepts

Interfaces, Unions & Advanced Type Patterns

Directives & Custom Directives

GraphQL Federation & Schema Stitching

Error Handling & Debugging Strategies

GraphQL Performance Tuning

Module 5: Advanced Tutorial – Tooling and Ecosystem

GraphQL IDEs (GraphiQL, Insomnia, Postman)

Schema Documentation & Visualization Tools

Code Generation Tools (GraphQL Codegen)

Monitoring, Logging & Tracing GraphQL APIs

Integrating GraphQL with CI/CD Pipelines

Module 6: Advanced Tutorial – Security

Authentication Strategies (JWT, OAuth, API Keys)

Authorization & Role-Based Access Control (RBAC)

Depth Limiting, Query Cost Analysis & Throttling

Preventing Attacks: DoS, Introspection Abuse

Secure Deployment Best Practices

Module 7: Common Questions

Common GraphQL Design Patterns & Anti-Patterns

Choosing Between REST and GraphQL

Troubleshooting Common Client Issues

Troubleshooting Common Server Issues

Best Practices for Scaling GraphQL Applications

Who is the instructor for this training?

The trainer for this Exploring GraphQL a Query language for APIs Training has extensive experience in this domain, including years of experience training & mentoring professionals.

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