AWS Database Blog

Category: AWS AppSync

Build a graph application with Amazon Neptune and AWS Amplify

More and more organizations are adopting graph databases for various use cases, such as legal entity lookup tools in the public sector, drug-drug interaction checkers in the healthcare sector, and customer insights and analytics tools in marketing. If your application has relationships and connections, using a relational database is hard. But Amazon Neptune, a fully […]

Build a GraphQL API for Amazon DocumentDB (with MongoDB compatibility) using AWS AppSync

AWS AppSync is a fully managed service that makes it easy to develop GraphQL APIs by handling the heavy lifting of securely connecting to data sources like Amazon DynamoDB, AWS Lambda, and more. Adding caches to improve performance, subscriptions to support real-time updates, and client-side data stores that keep off-line clients in sync are just […]

Building a GraphQL interface to Amazon QLDB with AWS AppSync: Part 2

This post is the second installment of a two-post series discussing how to integrate Amazon Quantum Ledger Database (QLDB) and AWS AppSync. This combination provides a versatile, GraphQL-powered API on top of the Amazon QLDB-managed ledger database. For information about connecting Amazon QLDB and AWS AppSync by building an AWS Lambda function and running a […]

Building a GraphQL interface to Amazon QLDB with AWS AppSync: Part 1

Amazon Quantum Ledger Database (QLDB) is a purpose-built database for use cases that require an authoritative data source. Amazon QLDB maintains a complete, immutable history of all changes committed to the database (referred to as a ledger). Amazon QLDB fits well in finance, eCommerce, inventory, government, and numerous other applications. Pairing Amazon QLDB with services […]