| DynamoDB | Relational Database |
|---|---|
| NoSQL, schema-less | SQL, fixed schema |
| Horizontal scaling | Vertical scaling (primarily) |
| Eventually consistent reads by default | ACID consistency |
| No complex joins | Complex joins supported |
| Key-value and document model | Relational model |
| Managed service | Requires administration |
| Pay per request/capacity | Pay for instance time |
