Amazon Web Services has launched a hosted database service called DynamoDB, stepping into competition with platform-as-a-service providers such as Salesforce.com, Oracle and others.

Amazon today announced a new database service called DynamoDB designed to address scalability, maintenance and performance needs often associated with managing more traditional SQL-based ...

Lambda functions can be triggered by various events, such as HTTP requests, S3 object uploads, DynamoDB stream events, or other AWS services, enabling the creation of event-driven applications.