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Amazon DynamoDB is a non-relational database that delivers reliable performance at any scale. It's a fully managed, multi-region, multi-master database that provides consistent single-digit millisecond latency, and offers built-in security, backup and restore, and in-memory caching
NoSQL Key Value Databases
• Time To Live (TTL): Set a specific time stamp to delete expired items from tables • On-demand backup and restore allows users to create full backups of DynamoDB tables’ data for data archiving • Automated system management • Amazon DynamoDB Accelerator (DAX) delivers fast read performance for DynamoDB tables at scale • The DynamoDB console and APIs allow users to create, update, delete, and query tables; adjust throughput • VPC endpoints: Logical entities within a VPC that create a private connection between a VPC and DynamoDB without requiring access over the internet
Small (<50 employees), Medium (50 to 1000 Enterprise (>1001 employees)
What is best?
• Time To Live (TTL): Set a specific time stamp to delete expired items from tables • On-demand backup and restore allows users to create full backups of DynamoDB tables’ data for data archiving • Automated system management
What are the benefits?
• Adaptive capacity: Enables your application to continue reading and writing with consistent performance, as long as traffic does not exceed table’s total provisioned capacity • Performance at scale: Add an in-memory cache without any app changes • Distributed: Seamlessly scale a single table over hundreds of servers • Fine-grained access control: Use proven cryptographic methods to authenticate users and prevent unauthorized data access
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Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability.
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Amazon DynamoDB is a non-relational database that delivers reliable performance at any scale. It's a fully managed, multi-region, multi-master database that provides consistent single-digit millisecond latency, and offers built-in security, backup and restore, and in-memory caching. More than 100,000 AWS customers have chosen DynamoDB for mobile, web, gaming, ad tech, IoT, and many other applications that need low-latency data access. DynamoDB delivers consistent, single-digit millisecond responsiveness at any scale. Build apps with virtually unlimited throughput and storage. Add an in-memory cache that reduces response times from milliseconds to microseconds, without any app changes. DynamoDB is a serverless database that automatically scales throughput up or down, and continuously backs up your data for protection. DynamoDB gives globally distributed applications fast access to local data by replicating tables across multiple AWS Regions. Build flexible and reusable microservices using DynamoDB as a serverless data store for consistent and fast performance. Build personalized mobile apps with smooth experiences for your users. DynamoDB takes care of operational tasks so that users can focus on applications. Analyze devices by connecting high-velocity, high-volume IoT data in DynamoDB to Amazon Redshift and Amazon QuickSight. DynamoDB uses primary keys to uniquely identify each item in a table and secondary indexes to provide more querying flexibility. DynamoDB uses the partition key's value as input to an internal hash function. The output from the hash function determines the partition (physical storage internal to DynamoDB) in which the item will be stored. DynamoDB supports strong consistency on data reads so that applications are reading the latest values from the table since the last update. DynamoDB also natively supports atomic counters, allowing users to atomically increment or decrement numerical attributes with a single API call.
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