Amazon RDS vs DynamoDB

RDS vs DynamoDB


Additional notes:

  • DynamoDB has built-in support for ACID transactions.
  • DynamoDB uses filter expressions because it does not support complex queries.
  • Multi-AZ deployments for the MySQL, MariaDB, Oracle, and PostgreSQL engines utilize synchronous physical replication. Multi-AZ deployments for the SQL Server engine use synchronous logical replication.
  • An Oracle Database is limited to one database per instance. An SQL Server is limited to 30 databases per instance. Other RDS engines have no limits.


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