AWS AppSync automatically updates the data in web and mobile applications in real time, and updates data for offline users as soon as they reconnect.
AWS AppSync makes it easy to build collaborative mobile and web applications that deliver responsive, collaborative user experiences.
With AWS AppSync you can specify the data requirements of the application with simple code statements and iterate quickly during the prototyping and development process. AWS AppSync uses GraphQL, an open standard query language that makes it easy for applications to request data from the cloud.
AWS AppSync makes it easy to build collaborative apps that keep shared data updated in real time. You just specify the data for your app with simple code statements and AWS AppSync manages everything needed to keep the app data updated in real time. AWS AppSync also automatically updates the data for offline users as soon as they reconnect. Only the data needed is fetched, reducing message traffic and improving application performance and battery life.
AWS AppSync automatically manages all the data operations for offline users. The service supports an offline programming model where application data is not only available for users who are offline, but users can also add and update app data locally as well. This makes it easy to build apps that cache important data locally for offline use, and then synchronize with the cloud when the device reconnects.
AWS AppSync helps you keep users and app data secure. The service integrates with Amazon Cognito and AWS Identity and Access Management, so you can set fine-grained permissions on GraphQL operations that put strict controls on who can access the data.
AWS AppSync makes it easy to combine data from different sources. For example, you could build an app that uses AppSync to combine a user's activity data from their phone and web usage, fitness tracker activity, and social media postings and combine it with location data to summarize all the user's activities and locations for the day. With AppSync, your app can access data in Amazon DynamoDB, trigger AWS Lambda functions, or run Amazon Elasticsearch queries and combine data from these services to provide the exact data you need for your app.
AWS AppSync can automatically resolve conflicts on data that is shared between multiple users and devices. Conflicts can happen when two or more users make updates at the same time. The service has default rules to detect conflicts and ensure they are resolved, but also allows you to add your own business logic into the conflict resolution process with AWS Lambda functions.
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