Scenarios for DynamoDB using AWS SDKs

The following code examples show you how to implement common scenarios in DynamoDB with AWS SDKs. These scenarios show you how to accomplish specific tasks by calling multiple functions within DynamoDB or combined with other AWS services. Each scenario includes a link to the complete source code, where you can find instructions on how to set up and run the code.

Scenarios target an intermediate level of experience to help you understand service actions in context.

Examples

• Accelerate reads with DAX
• Build an app to submit data to a DynamoDB table
• Conditionally update an item's TTL
• Connect to a local instance
• Create a REST API to track COVID-19 data
• Create a messenger application
• Create a serverless application to manage photos
• Create a table with warm throughput enabled
• Create a web application to track DynamoDB data
• Create a websocket chat application
• Create an item with a TTL
• Detect PPE in images
• Invoke a Lambda function from a browser
• Monitor DynamoDB performance
• Query a table by using batches of PartiQL statements
• Query a table using PartiQL
• Query for TTL items
• Save EXIF and other image information
• Update a table's warm throughput setting
• Update an item's TTL
• Use API Gateway to invoke a Lambda function
• Use Step Functions to invoke Lambda functions
• Use a document model
• Use a high-level object persistence model
• Use scheduled events to invoke a Lambda function