GraphQL Essential Training

1h 46mIntermediate2024-03-07

Authors

Emmanuel Henri

Executive with 20+ years of experience in programming and design

Course details

GraphQL—a query language for APIs that was originally built by Facebook—makes it easier for you to get the data you actually need from a query. In this course, learn how to get started with GraphQL. Instructor Emmanuel Henri walks through how to set up GraphQL, explores the GraphQL schema, and goes over the basic types and fields. He also shows how to set up persistence—including how to use SQL and Mongo DB with GraphQL; covers how to add new items with mutations; and shares how to leverage some advanced features in your queries.

Learning objectives
Basic GraphQL schema
Object types and fields
Role of the resolver in GraphQL
Scalar and enumeration types
Using GraphQL tools
Setting up persistence
Adding new items with mutations
Updating and deleting items with mutations
Queries with arguments, aliases, and fragments

Skills covered

GraphQLEssential TrainingProgramming LanguagesOpen SourceSoftware Development

Concepts

0. Introduction

01 - Learn GraphQL essentials
02 - Course prerequisites

1. Setup and Introduction

03 - IDE and required tools
04 - GraphQL overview
05 - Server setup
06 - The initial GraphQL setup
07 - Basic GraphQL schema

2. Types and Schemas

08 - Object types and fields
09 - Query and mutation types
10 - What is the resolver and its role
11 - Scalar types
12 - Enumeration types
13 - List of types inside another

3. Setting Up Persistence

14 - Installing MongoDB for GraphQL
15 - Finalize the database connectors
16 - Update resolvers for MongoDB
17 - Data persistence with SQL

4. Mutations

18 - Add new items with mutations
19 - Update items with mutations
20 - Delete items with mutations

5. Queries in Depth

21 - Querying all products
22 - Querying with aliases
23 - Querying with fragments

Conclusion

24 - Next steps