SIGN IN SIGN UP

Welcome to the AWS Code Examples Repository. This repo contains code examples used in the AWS documentation, AWS SDK Developer Guides, and more. For more information, see the Readme.md file below.

0 0 0 Java
# DynamoDB code examples for the SDK for Ruby
## Overview
2021-10-13 19:30:48 +01:00
Shows how to use the AWS SDK for Ruby to work with Amazon DynamoDB.
<!--custom.overview.start-->
<!--custom.overview.end-->
2024-01-04 13:25:48 -05:00
_DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability._
## ⚠ Important
2024-01-04 13:25:48 -05:00
* Running this code might result in charges to your AWS account. For more details, see [AWS Pricing](https://aws.amazon.com/pricing/) and [Free Tier](https://aws.amazon.com/free/).
* 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](https://docs.aws.amazon.com/IAM/latest/UserGuide/best-practices.html#grant-least-privilege).
* This code is not tested in every AWS Region. For more information, see [AWS Regional Services](https://aws.amazon.com/about-aws/global-infrastructure/regional-product-services).
<!--custom.important.start-->
<!--custom.important.end-->
## Code examples
### Prerequisites
For prerequisites, see the [README](../../README.md#Prerequisites) in the `ruby` folder.
<!--custom.prerequisites.start-->
<!--custom.prerequisites.end-->
### Get started
- [Hello DynamoDB](hello/hello_dynamodb.rb#L4) (`ListTables`)
### Basics
Code examples that show you how to perform the essential operations within a service.
- [Learn the basics](scaffold.rb)
### Single actions
Code excerpts that show you how to call individual service functions.
- [BatchExecuteStatement](partiql/partiql_batch.rb#L22)
- [BatchWriteItem](scaffold.rb#L81)
- [CreateTable](scaffold.rb#L53)
- [DeleteItem](basics/dynamodb_basics.rb#L129)
- [DeleteTable](scaffold.rb#L108)
- [DescribeTable](scaffold.rb#L34)
- [ExecuteStatement](partiql/partiql_single.rb#L22)
- [GetItem](basics/dynamodb_basics.rb#L40)
- [ListTables](scaffold.rb#L34)
- [PutItem](basics/dynamodb_basics.rb#L21)
- [Query](basics/dynamodb_basics.rb#L75)
- [Scan](basics/dynamodb_basics.rb#L95)
- [UpdateItem](basics/dynamodb_basics.rb#L55)
2021-01-27 13:29:19 -08:00
### Scenarios
2021-01-27 13:29:19 -08:00
Code examples that show you how to accomplish a specific task by calling multiple
functions within the same service.
2021-01-27 13:29:19 -08:00
2024-01-04 13:25:48 -05:00
- [Query a table by using batches of PartiQL statements](partiql/scenario_partiql_batch.rb)
- [Query a table using PartiQL](partiql/scenario_partiql_single.rb)
<!--custom.examples.start-->
<!--custom.examples.end-->
2021-01-27 13:29:19 -08:00
## Run the examples
### Instructions
2021-01-27 13:29:19 -08:00
<!--custom.instructions.start-->
<!--custom.instructions.end-->
#### Hello DynamoDB
This example shows you how to get started using DynamoDB.
```
ruby hello/hello_dynamodb.rb
```
#### Learn the basics
2021-01-27 13:29:19 -08:00
This example shows you how to do the following:
2024-01-04 13:25:48 -05:00
- 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.
<!--custom.basic_prereqs.dynamodb_Scenario_GettingStartedMovies.start-->
<!--custom.basic_prereqs.dynamodb_Scenario_GettingStartedMovies.end-->
Start the example by running the following at a command prompt:
```
ruby scaffold.rb
```
<!--custom.basics.dynamodb_Scenario_GettingStartedMovies.start-->
<!--custom.basics.dynamodb_Scenario_GettingStartedMovies.end-->
2021-01-27 13:29:19 -08:00
#### Query a table by using batches of PartiQL statements
This example shows you how to do the following:
2024-01-04 13:25:48 -05:00
- 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.
<!--custom.scenario_prereqs.dynamodb_Scenario_PartiQLBatch.start-->
<!--custom.scenario_prereqs.dynamodb_Scenario_PartiQLBatch.end-->
2021-01-27 13:29:19 -08:00
Start the example by running the following at a command prompt:
```
ruby partiql/scenario_partiql_batch.rb
```
<!--custom.scenarios.dynamodb_Scenario_PartiQLBatch.start-->
<!--custom.scenarios.dynamodb_Scenario_PartiQLBatch.end-->
#### Query a table using PartiQL
This example shows you how to do the following:
2024-01-04 13:25:48 -05:00
- 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.
<!--custom.scenario_prereqs.dynamodb_Scenario_PartiQLSingle.start-->
<!--custom.scenario_prereqs.dynamodb_Scenario_PartiQLSingle.end-->
Start the example by running the following at a command prompt:
```
ruby partiql/scenario_partiql_single.rb
```
<!--custom.scenarios.dynamodb_Scenario_PartiQLSingle.start-->
<!--custom.scenarios.dynamodb_Scenario_PartiQLSingle.end-->
### Tests
⚠ Running tests might result in charges to your AWS account.
To find instructions for running these tests, see the [README](../../README.md#Tests)
in the `ruby` folder.
<!--custom.tests.start-->
## Contribute
Code examples thrive on community contribution.
To learn more about the contributing process, see [CONTRIBUTING.md](../../../CONTRIBUTING.md).
<!--custom.tests.end-->
## Additional resources
2021-01-27 13:29:19 -08:00
2024-01-04 13:25:48 -05:00
- [DynamoDB Developer Guide](https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Introduction.html)
- [DynamoDB API Reference](https://docs.aws.amazon.com/amazondynamodb/latest/APIReference/Welcome.html)
- [SDK for Ruby DynamoDB reference](https://docs.aws.amazon.com/sdk-for-ruby/v3/api/Aws/Dynamodb.html)
<!--custom.resources.start-->
<!--custom.resources.end-->
---
Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
SPDX-License-Identifier: Apache-2.0