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DynamoDB code examples for the SDK for Ruby

Overview

Shows how to use the AWS SDK for Ruby to work with Amazon DynamoDB.

DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability.

⚠ Important

  • Running this code might result in charges to your AWS account. For more details, see AWS Pricing and Free Tier.
  • Running the tests might result in charges to your AWS account.
  • We recommend that you grant your code least privilege. At most, grant only the minimum permissions required to perform the task. For more information, see Grant least privilege.
  • This code is not tested in every AWS Region. For more information, see AWS Regional Services.

Code examples

Prerequisites

For prerequisites, see the README in the ruby folder.

Get started

Basics

Code examples that show you how to perform the essential operations within a service.

Single actions

Code excerpts that show you how to call individual service functions.

Scenarios

Code examples that show you how to accomplish a specific task by calling multiple functions within the same service.

Run the examples

Instructions

Hello DynamoDB

This example shows you how to get started using DynamoDB.

ruby hello/hello_dynamodb.rb

Learn the basics

This example shows you how to do the following:

  • Create a table that can hold movie data.
  • Put, get, and update a single movie in the table.
  • Write movie data to the table from a sample JSON file.
  • Query for movies that were released in a given year.
  • Scan for movies that were released in a range of years.
  • Delete a movie from the table, then delete the table.

Start the example by running the following at a command prompt:

ruby scaffold.rb

Query a table by using batches of PartiQL statements

This example shows you how to do the following:

  • Get a batch of items by running multiple SELECT statements.
  • Add a batch of items by running multiple INSERT statements.
  • Update a batch of items by running multiple UPDATE statements.
  • Delete a batch of items by running multiple DELETE statements.

Start the example by running the following at a command prompt:

ruby partiql/scenario_partiql_batch.rb

Query a table using PartiQL

This example shows you how to do the following:

  • Get an item by running a SELECT statement.
  • Add an item by running an INSERT statement.
  • Update an item by running an UPDATE statement.
  • Delete an item by running a DELETE statement.

Start the example by running the following at a command prompt:

ruby partiql/scenario_partiql_single.rb

Tests

⚠ Running tests might result in charges to your AWS account.

To find instructions for running these tests, see the README in the ruby folder.

Contribute

Code examples thrive on community contribution.

To learn more about the contributing process, see CONTRIBUTING.md.

Additional resources

Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.

SPDX-License-Identifier: Apache-2.0