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DBMS > Datomic vs. ScyllaDB

System Properties Comparison Datomic vs. ScyllaDB

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Our visitors often compare Datomic and ScyllaDB with Amazon DynamoDB, PostgreSQL and MongoDB.

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonScyllaDB  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityCassandra and DynamoDB compatible wide column store
Primary database modelRelational DBMSWide column store
Secondary database modelsKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.25
Rank#133  Overall
#65  Relational DBMS
Score5.76
Rank#74  Overall
#5  Wide column stores
Websitewww.datomic.comwww.scylladb.com
Technical documentationdocs.datomic.comdocs.scylladb.com
DeveloperCognitectScyllaDB
Initial release20122015
Current release1.0.6362, January 2022ScyllaDB Open Source 5.0, July 2022
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infoOpen Source (AGPL), commercial license available
Cloud-based only infoOnly available as a cloud servicenono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Scylla Cloud: Create real-time applications that run at global scale with Scylla Cloud, the industry’s most powerful NoSQL DBaaS
Implementation languageJava, ClojureC++
Server operating systemsAll OS with a Java VMLinux
Data schemeyesschema-free
Typing infopredefined data types such as float or dateyesyes
XML support infoSome form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.nono
Secondary indexesyesyes infocluster global secondary indices
SQL infoSupport of SQLnoSQL-like DML and DDL statements (CQL)
APIs and other access methodsRESTful HTTP APIProprietary protocol (CQL) infocompatible with CQL (Cassandra Query Language, an SQL-like language)
RESTful HTTP API (DynamoDB compatible)
Thrift
Supported programming languagesClojure
Java
For CQL interface: C#, C++, Clojure, Erlang, Go, Haskell, Java, JavaScript, Node.js, Perl, PHP, Python, Ruby, Rust, Scala
For DynamoDB interface: .Net, ColdFusion, Erlang, Groovy, Java, JavaScript, Perl, PHP, Python, Ruby
Server-side scripts infoStored proceduresyes infoTransaction Functionsyes, Lua
TriggersBy using transaction functionsno
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersselectable replication factor infoRepresentation of geographical distribution of servers is possible
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Tunable Consistency infocan be individually decided for each write operation
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoAtomicity and isolation are supported for single operations
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes inforecommended only for testing and developmentyes infoin-memory tables
User concepts infoAccess controlnoAccess rights for users can be defined per object
More information provided by the system vendor
DatomicScyllaDB
Specific characteristicsScyllaDB is the database for data-intensive apps that require high performance and...
» more
Competitive advantagesHighly-performant (efficiently utilizes full resources of a node and network; millions...
» more
Typical application scenariosScyllaDB is ideal for applications that require high throughput and low latency at...
» more
Key customersDiscord, Epic Games, Expedia, Zillow, Comcast, Disney+ Hotstar, Samsung, ShareChat,...
» more
Market metricsScyllaDB typically offers ~75% total cost of ownership savings, with ~5X higher throughput...
» more
Licensing and pricing modelsScyllaDB Open Source - free open source software (AGPL) ScyllaDB Enterprise - subscription-based...
» more

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More resources
DatomicScyllaDB
Conferences and events

Overcoming Database Scaling Challenges with a New Approach to NoSQL
On-demand Webinar, 26 January 2023 (finished)

Scylla Summit 2023
Access to 30+ NoSQL technical sessions, 15-16 February 2023 (finished)

NoSQL at Scale: Proven Practices & Pitfalls
On-demand Webinar, 28 February 2023 (finished)

Recent citations in the news

The Architecture of Datomic
2 November 2012, InfoQ.com

Lucas Cavalcanti on Using Clojure, Microservices, Hexagonal ...
16 August 2021, InfoQ.com

Homoiconicity: It Is What It Is
31 October 2017, InfoQ.com

Clojure inventor Hickey now aims for Android
22 March 2012, InfoWorld

Should Functional Programming Be the Future of Software ...
13 November 2022, developers.slashdot.org

provided by Google News

ScyllaDB Challenges DynamoDB on Latency and Pricing
20 March 2023, The New Stack

ScyllaDB Announces Latest Release of Its NoSQL Database
12 July 2022, Datanami

ScyllaDB Ranked as one of the Fastest-Growing Company in North ...
17 November 2022, GlobeNewswire

Monstrously fast + scalable NoSQL database, ScyllaDB, now ...
13 April 2022, GlobeNewswire

How Discord Migrated Trillions of Messages to ScyllaDB
21 February 2023, The New Stack

provided by Google News

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