Products

Dgraph Cloud

The only native GraphQL graph database built for the cloud.

Enterprise

Turn your siloed data into real-time insights.

Dgraph Open Source

#1 graph database on GitHub.

Pricing

Pricing breakdown

Badger

Open source key-value store

Ristretto

Open source Go caching library

PricingCustomers
Learn

Docs

For Dgraph and Slash GraphQL

Learn

From GraphQL Basics to Building an App

Blog

Updates from Dgraph Labs

Paper

Dgraph Database in a Nutshell

Tour

An Interactive Dgraph Demo

The ultimate guide to graph databases

The ultimate guide to GraphQL

Community
To optimize your experience, the interactive tutorial is only available on desktop.

Dgraph GraphQL Tour

Basic

The has Function

The function has(edge_name) returns nodes that have an outgoing edge of the given name.

Dgraph also provides the filter argument has to find nodes that have an outgoing edge or predicate value.

The query example provided here queries for all people who have friends and then returns a count of how many friends they have.

Something to try: Query people that have friends and an age, and then count their friends that have a set age.

Dgraph GraphQL Tour

An interactive tutorial with real queries and real results, designed to run on Chrome on your machine.

Modules

. GraphQL Introduction . GraphQL Basic Features . GraphQL Schema . GraphQL Search . GraphQL Data and More Data . DQL Introduction . DQL Basic Features . DQL Schema . DQL Data and More Data . DQL Query Blocks and Variables . DQL Search

GraphQL Basic Features

Here you'll learn the basics of how to query graph data from Dgraph using GraphQL, and how to use and interpret the results.

Module Breakdown

2.1. Hello World 2.2. Graphs as results 2.3. Data types, Schema and Type System 2.4. Queries describe graphs 2.5. Functions and filtering 2.6. Logical Connectives (and, or, & not) 2.7. Sort Query Results 2.8. Pagination (first and offset) 2.9. Count 2.10. How Dgraph Search Works 2.11. The has Function 2.12. Aliases 2.13. Cascade 2.14. Comments 2.15. Congratulations
GraphQL
http://localhost:8080
Reset Run
Response