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What are the benefits of using DynamoDB choose two?

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What are the benefits of using DynamoDB choose two?

Deliver apps with consistent single-digit millisecond performance, nearly unlimited throughput and storage, and automatic multi-region replication. Secure your data with encryption at rest, automatic backup and restore, and guaranteed reliability with an SLA of up to 99.999\% availability.

What is DynamoDB model?

DynamoDB is a fully managed NoSQL database released by AWS in 2012. As the other main NoSQL solutions, such as MongoDB (2009) or Apache Cassandra (2008), it was designed at a time when storage prices were low compared to those of processing power.

When should we use DynamoDB?

When to use DynamoDB:

  1. When key-value or simple queries are present.
  2. When a very high read/write rate is needed.
  3. When auto-sharding is required.
  4. When auto-scaling is required.
  5. When low latency is required.
  6. When there is no size or throughput limit.
  7. When there is no tuning.
  8. When high durability is required.
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What is the difference between DynamoDB and RDS?

RDS makes it easy to set up, operate, and scale a relational database. DynamoDB is an AWS fully-managed, high-performance, NoSQL database.

What is Amazon DynamoDB used for?

Amazon DynamoDB is a NoSQL database that supports key-value and document data models, and enables developers to build modern, serverless applications that can start small and scale globally to support petabytes of data and tens of millions of read and write requests per second.

Does DynamoDB really deliver predictable performance?

Amazon DynamoDB has Predictable Performance AWS claims that DynamoDB will deliver highly predictable performance. Considering Amazon’s reputation for service delivery, we tend to take them at their word on this one.

What are the three data model units used in DynamoDB?

Amazon DynamoDB’s Data Model DynamoDB uses three basic data model units, Tables, Items, and Attributes. Tables are collections of Items, and Items are collections of Attributes. Attributes are basic units of information, like key-value pairs.

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What are the different types of read consistency in DynamoDB?

DynamoDB supports three models of read consistency: eventually consistent, strongly consistent, and transactional. Unless you specify a different consistency model for your application, DynamoDB uses eventually consistent reads.