Exploring Amazon DynamoDB Tables
- Hafeez Baig |
- 21 steps |
- 3 minutes
Amazon Web Services
Refer to the following guide to learn how to use IAM in the cloud\
<https://scribehow.com/shared/Creating_an_IAM_User_and_User_Group_in_AWS_Management_Console__hWNiiXlcRJKFqYZZEJD-cg>
Refer to this guide to learn how to create an Amazon DynamoDB Table\
<https://scribehow.com/shared/Creating_an_Amazon_DynamoDB_Table__PYJT857WQWKnq6T2w0XeWg>
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Sign in to **AWS Management Console** as an **IAM User**
**Pre-requisite** - Ensure you have selected the AWS region closest to your location\
For this guide, we will be using us-east-2 (Ohio) as a preferred choice
2
Type **DynamoDB** in the search bar and click on **DynamoDB** to view the DynamoDB Dashboard
**What is DynamoDB in AWS?**
Amazon DynamoDB is a fully managed NoSQL database service provided by Amazon Web Services (AWS). It is designed for applications that require single-digit millisecond latency and seamless scalability. DynamoDB offers fast and predictable performance with automatic scaling, making it suitable for a wide range of use cases, from low-latency applications to high-throughput workloads.
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On the **DynamoDB** dashboard, click on the **Tables** from the left bar
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**Tables** wizard will open, click on the table Name **todo**
**What are Tables in Amazon DynamoDB?**
In Amazon DynamoDB, tables are the primary data storage structures. They are schema-less, NoSQL databases that organize data into items (rows) and attributes (columns). Each table consists of one or more items, where each item contains one or more attributes.
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**todo** wizard will open, scroll to the **General information** section to view the details for the table
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Scroll to the **Items summary** section to view the Items summary and get a live item count
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Scroll to the **Table capacity metrics** section to view the metrics of the table
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To create a new item, click on the **Actions** dropdown button and select the **Create item** option
**What is an Item in DynamoDB?**
In Amazon DynamoDB, an "item" is a basic unit of data storage and retrieval. It is similar to a row in a traditional relational database table. Each item in a DynamoDB table consists of one or more attributes, which are key-value pairs.
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**Create item** wizard will open, enter the **Value** as **"1"** for the Partition key
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Click on the **Create item** button on the right side
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On **todo** wizard, scroll to the **Items returned** section and click on the id **1**
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**Edit item** wizard will open, on the right side click on the **Add new attribute dropdown** button and select the option **String**
**What is an Attribute in DynamoDB?**
In Amazon DynamoDB, an "attribute" refers to a single piece of data within an item stored in a DynamoDB table. It represents a key-value pair where the key is the attribute name and the value is the data associated with that attribute.
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On the left side, enter the **Attribute name** as "**description**" and give **Value** as "**Learn to code**"
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On the right side, click on the **Save** button
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To create a new Attribute, on the right side click on the **Add new attribute** dropdown button and select the option **String**
