Product Overview Rationale Benefits Pricing Buy Resources Documentation Videos FAQ Customers Room Key's Story VitalReactor's Story Pellucid's Story Rally's Story The Brigade's Story Support Company Blog About Cognitect Team Contact Get Datomic Pro end container end nav-wrap Datomic The fully transactional, cloud-ready, immutable database. end banner-wrap Why Datomic? Read the rationale See the benefits Get the overview Immutable data means strong consistency combined with horizontal read scalability, plus built-in caching. Writes are not update-in-place; all data is retained by default. This provides built-in auditing and the ability to query history. Datomic provides rich schema and query capabilities on top of modern scalable storage engines like DynamoDB , Cassandra , Riak and more . Get Datomic Pro ...