AWS Nonrelational databases

Amazon DynamoDB

• key-value database service
• delivers single-digit millisecond performance at any scale
• ✅ DynamoDB is serverless
  • you do not have to provision, patch, or manage servers.
  • you do not have to install, maintain, or operate software.
• ✅ Auto scaling
• All user data stored in DynamoDB is fully encrypted at rest

Prof and cons

• ✅ Key-value
• ✅ Massive throughput capabilities
• ✅ PB size potential
• ✅ Granular API access
• ⛔ Analytics more difficult compare with SQL

Cases

• scalability problems with other traditional database systems
• OLTP workload.
• mission-critical application that must be highly available at all times without manual intervention
• high level of data durability, regardless of your backup-and-restore strategy.

References

1. https://explore.skillbuilder.aws/learn/course/134/play/85854/aws-cloud-practitioner-essentials Module 5
2. Amazon DynamoDB(opens in a new tab)
3. AWS developer guide: What is Amazon DynamoDB?(opens in a new tab)
4. AWS blog: AWS Database Blog