Amazon DynamoDB
Amazon DynamoDB is a fully managed NoSQL database service provided by Amazon Web Services. It offers reliable performance at any scale, integrated security, and in-memory caching for internet-scale applications.
Amazon DynamoDB: Fully Managed NoSQL Database Service
Reliable performance at any scale, integrated security, and in-memory caching for internet-scale applications
What is Amazon DynamoDB?
Amazon DynamoDB is a fast, fully managed and serverless NoSQL database service provided by Amazon Web Services (AWS). It offers reliable performance at any scale, integrated security, and in-memory caching for internet-scale applications.
Some key features of DynamoDB include:
- High performance at any scale - It can handle more than 10 trillion requests per day and support peaks of more than 20 million requests per second.
- Serverless - It is fully managed by AWS so there are no servers to provision, configure or scale.
- High availability - Data is synchronously replicated across multiple AWS Availability Zones in a region to provide built-in high availability and data durability.
- Security - It offers encryption at rest and in transit, fine-grained access controls, and integration with AWS Identity and Access Management (IAM).
- Flexibility - It supports document and key-value data models, flexible schemas, and the ability to evolve schemas without downtime.
- In-memory caching - It has an in-memory cache for microsecond latency which helps deliver fast performance.
DynamoDB is a great choice for mobile, web, gaming, ad tech applications that need a flexible NoSQL database with seamless scalability and no downtime. Major users include Lyft, Airbnb, and Samsung SmartThings.
Amazon DynamoDB Features
Features
- Fully managed NoSQL database service
- Reliable performance at any scale
- Integrated security
- In-memory caching for internet-scale applications
- Automatic scaling of throughput and storage
- Flexible data model supporting key-value and document data structures
- Consistent, single-digit millisecond latency
- Durable and highly available with data replication across multiple data centers
Pricing
- Pay-As-You-Go
Pros
Scalability and high availability
Automatic scaling and provisioning
Ease of use and management
Integrated security features
Low latency and high performance
Flexible data model
Cons
Higher cost compared to self-managed databases
Limited query capabilities compared to SQL databases
Vendor lock-in with AWS
Limited support for complex transactions
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