Let’s explore some common use cases for AWS AppSync, where AWS AppSync can help to build GraphQL APIs fast. Simple Data-Centric GraphQL API A typical use-case for AppSync is providing a data-centric API to an existing data source. The advantage
What is a GraphQL Pattern?
GraphQL queries consist of one or more patterns which are matched against the big graph containing all the data on the server. The patterns describe a subgraph of the big graph and is used to search for the relevant data in the
What is a GraphQL Query?
To read data with GraphQL, the client uses the query method. In the pattern of this query, the client has to explicitly specify all the object and fields it is interested in. As a result of the query, the client
What are GraphQL Subscriptions?
Modern clients need to get near real-time updates that get triggered when something changes on the server. For example, an instant messaging app needs to get notified, when a new message arrives on the server, or a weather app needs
Where is the Graph in GraphQL?
A graph is a very generic data structure, so it should be possible to express the data of any application in the form of a graph. And this graph, formed by all application data, is what we call the
Why are there Two Languages in GraphQL?
GraphQL provides a new philosophy for building APIs, which helps us to structure the interaction between frontend and backend. To structure the interaction, GraphQL offers two languages: a declarative, typed query language for APIs and a schema language. These two