Course GraphQL Queries
Startdata en plaatsen
placeAmsterdam 14 jul. 2025 tot 15 jul. 2025Toon rooster event 14 juli 2025, 09:30-16:30, Amsterdam, Dag 1 event 15 juli 2025, 09:30-16:30, Amsterdam, Dag 2 |
placeEindhoven 14 jul. 2025 tot 15 jul. 2025Toon rooster event 14 juli 2025, 09:30-16:30, Eindhoven, Dag 1 event 15 juli 2025, 09:30-16:30, Eindhoven, Dag 2 |
placeHouten 14 jul. 2025 tot 15 jul. 2025Toon rooster event 14 juli 2025, 09:30-16:30, Houten, Dag 1 event 15 juli 2025, 09:30-16:30, Houten, Dag 2 |
computer Online: Online 14 jul. 2025 tot 15 jul. 2025Toon rooster event 14 juli 2025, 09:30-16:30, Online, Dag 1 event 15 juli 2025, 09:30-16:30, Online, Dag 2 |
placeRotterdam 14 jul. 2025 tot 15 jul. 2025Toon rooster event 14 juli 2025, 09:30-16:30, Rotterdam, Dag 1 event 15 juli 2025, 09:30-16:30, Rotterdam, Dag 2 |
placeZwolle 14 jul. 2025 tot 15 jul. 2025Toon rooster event 14 juli 2025, 09:30-16:30, Zwolle, Dag 1 event 15 juli 2025, 09:30-16:30, Zwolle, Dag 2 |
placeAmsterdam 15 sep. 2025 tot 16 sep. 2025Toon rooster event 15 september 2025, 09:30-16:30, Amsterdam, Dag 1 event 16 september 2025, 09:30-16:30, Amsterdam, Dag 2 |
placeEindhoven 15 sep. 2025 tot 16 sep. 2025Toon rooster event 15 september 2025, 09:30-16:30, Eindhoven, Dag 1 event 16 september 2025, 09:30-16:30, Eindhoven, Dag 2 |
placeHouten 15 sep. 2025 tot 16 sep. 2025Toon rooster event 15 september 2025, 09:30-16:30, Houten, Dag 1 event 16 september 2025, 09:30-16:30, Houten, Dag 2 |
computer Online: Online 15 sep. 2025 tot 16 sep. 2025Toon rooster event 15 september 2025, 09:30-16:30, Online, Dag 1 event 16 september 2025, 09:30-16:30, Online, Dag 2 |
placeRotterdam 15 sep. 2025 tot 16 sep. 2025Toon rooster event 15 september 2025, 09:30-16:30, Rotterdam, Dag 1 event 16 september 2025, 09:30-16:30, Rotterdam, Dag 2 |
placeZwolle 15 sep. 2025 tot 16 sep. 2025Toon rooster event 15 september 2025, 09:30-16:30, Zwolle, Dag 1 event 16 september 2025, 09:30-16:30, Zwolle, Dag 2 |
placeAmsterdam 17 nov. 2025 tot 18 nov. 2025Toon rooster event 17 november 2025, 09:30-16:30, Amsterdam, Dag 1 event 18 november 2025, 09:30-16:30, Amsterdam, Dag 2 |
placeEindhoven 17 nov. 2025 tot 18 nov. 2025Toon rooster event 17 november 2025, 09:30-16:30, Eindhoven, Dag 1 event 18 november 2025, 09:30-16:30, Eindhoven, Dag 2 |
placeHouten 17 nov. 2025 tot 18 nov. 2025Toon rooster event 17 november 2025, 09:30-16:30, Houten, Dag 1 event 18 november 2025, 09:30-16:30, Houten, Dag 2 |
computer Online: Online 17 nov. 2025 tot 18 nov. 2025Toon rooster event 17 november 2025, 09:30-16:30, Online, Dag 1 event 18 november 2025, 09:30-16:30, Online, Dag 2 |
placeRotterdam 17 nov. 2025 tot 18 nov. 2025Toon rooster event 17 november 2025, 09:30-16:30, Rotterdam, Dag 1 event 18 november 2025, 09:30-16:30, Rotterdam, Dag 2 |
placeZwolle 17 nov. 2025 tot 18 nov. 2025Toon rooster event 17 november 2025, 09:30-16:30, Zwolle, Dag 1 event 18 november 2025, 09:30-16:30, Zwolle, Dag 2 |
placeAmsterdam 19 jan. 2026 tot 20 jan. 2026Toon rooster event 19 januari 2026, 09:30-16:30, Amsterdam, Dag 1 event 20 januari 2026, 09:30-16:30, Amsterdam, Dag 2 |
placeEindhoven 19 jan. 2026 tot 20 jan. 2026Toon rooster event 19 januari 2026, 09:30-16:30, Eindhoven, Dag 1 event 20 januari 2026, 09:30-16:30, Eindhoven, Dag 2 |
Beschrijving
GraphQL is a query language developed by Facebook that allows fast searching of various Application Program Interfaces (APIs).GraphQL Intro
In the course GraphQL Queries participants learn the concepts of the query language GraphQL. Attention is paid to how a GraphQL Server responds to GraphQL queries. The transport neutrality of GraphQL is covered and also how GraphQL works with both SQL and NoSQL databases.
GraphQL Schema
The course proceeds to discuss GraphQL schemas that are the core of a GraphQL server implementation and describe the functionality available to clients. The different schema types and data types for the definition of a GraphQL schema are discussed.
GraphQL Queries
Then a…

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GraphQL Intro
In the course GraphQL Queries participants learn the concepts of the query language GraphQL. Attention is paid to how a GraphQL Server responds to GraphQL queries. The transport neutrality of GraphQL is covered and also how GraphQL works with both SQL and NoSQL databases.
GraphQL Schema
The course proceeds to discuss GraphQL schemas that are the core of a GraphQL server implementation and describe the functionality available to clients. The different schema types and data types for the definition of a GraphQL schema are discussed.
GraphQL Queries
Then attention is paid to GraphQL queries that can be used for both read and write operations. The fields, variables, parameters and directives in GraphQL queries are treated as well as the payload of queries.
GraphQL API
The discussion of the GraphQL API is also part of the course. Use is made of tooling such as the GraphiQL Client and a GraphQL Server. The GraphQL Playground is available to experiment with the GraphQL API.
GraphQL Integration
Finally the course covers how GrapQL can be integrated in various environments. The integration with jQuery, NodeJS and ReactJS is treated. And also it is discussed how Express GraphQL can be used and how the GraphQL API can be implemented with an Apollo server.
Audience Course GraphQL Queries
The course GraphQL Queries is intended for web and mobile developers who want to use GraphQL to retrieve or update server data.
Prerequisites Course GraphQL Queries
Knowledge of and experience with programming and in particular working with REST APIs is beneficial for the understanding.
Realization Training GraphQL Queries
The concepts are discussed on the basis of presentation slides and demos. The theory is interchanged with exercises. The course times are from 9.30 to 16.30.
Certification GraphQL Queries
After successful completion of the course the participants receive an official certificate GraphQL Queries.
Modules
Module 1 : GraphQL Intro
- What is GraphQL?
- Query Language
- Execution Engine
- Single Endpoint
- REST Alternative
- Over Fetching
- Under Fetching
- API Standard
- Declarative Fetching
- Mobile Apps
- Improved Performance
- Strong Typing
- GraphQL Tooling
Module 2 : GraphQL Schema
- Schema Definition Language
- Schema Types
- Scalar Types
- Int and Float
- String and Boolean
- ID Types
- Object Types
- Query Type
- Mutation Type
- Enums
- List Type
- Required Types
- Relations
Module 3 : GraphQL Queries
- Query Language
- Documents and Operations
- Root Field
- Query Payload
- Specifying Fields
- Field Parameters
- Variables
- Directives
- Aliases
- Fragments
- Mutations
- Create, Update, Delete
- Subscriptions
Module 4 : GraphQL API
- GraphiQL Client
- GraphQL Server
- GraphQL Playground
- GitHub's GraphQL API
- GraphQL Explorer
- Basic Queries
- Queries with Arguments
- mutation Keyword
- Pagination
- Default Variables
- Nullable Variables
- Meta Fields
Module 5 : Validation
- Input Types
- Type Markers
- Non-nullable Marker
- Runtime Checks
- Introspection
- Validation Rules
- Resolvers
- Context Attribute
- Resolver Result Format
- Asynchronous Resolvers
- Trivial Resolvers
- List Resolvers
Module 6 : Integrating GraphQL
- jQuery Integration
- Server Setup
- info Argument
- Scalar Coercion
- NodeJS Integration
- Express GraphQL
- Apollo Server
- Caching
- Globally Unique IDs
- ReactJS Integration
- Create React App
- React Server App
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