What is the difference between DynamoDB and traditional relational databases?

beginner

Re-explain

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

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