DynamoDB allows strongly consistent reads and your data is replicated across AZs. Id argue that its even better than an RDS setup in that respect. RDS lets you

DynamoDB allows strongly consistent reads and your data is replicated across AZs. Id argue that its even better than an RDS setup in that respect. RDS lets you choose a DB Engine (MySQL, Postgres, etc). the replication depends on the engine you choose, e.g. Postgres native streaming. Heres a good writup on how it works and best practices (https://aws.amazon.com/blogs/database/best-practices-for-amazon-rds-postgresql-replication/ https://aws.amazon.com/blogs/database/best-practices-for-ama...)