DB-EnginesInfluxDB: Focus on building software with an easy-to-use serverless, scalable time series platformEnglish
Deutsch
Knowledge Base of Relational and NoSQL Database Management Systemsprovided by solid IT

DBMS > Datomic vs. HyperSQL vs. UniData,UniVerse

System Properties Comparison Datomic vs. HyperSQL vs. UniData,UniVerse

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelRelational DBMSRelational DBMSMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score2.25
Rank#133  Overall
#65  Relational DBMS
Score5.19
Rank#82  Overall
#43  Relational DBMS
Score4.65
Rank#85  Overall
#2  Multivalue DBMS
Websitewww.datomic.comhsqldb.orgwww.rocketsoftware.com/­products/­rocket-u2
Technical documentationdocs.datomic.comhsqldb.org/­web/­hsqlDocsFrame.htmlwww.rocketsoftware.com/­products/­rocket-u2/­documentation
DeveloperCognitectRocket Software
Initial release201220011985
Current release1.0.6362, January 20222.7.1, October 2022
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen Source infobased on BSD licensecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJava, ClojureJavaC
Server operating systemsAll OS with a Java VMAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesAIX
HP-UX
Linux
Solaris
Windows
Data schemeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesoptional
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 indexesyesyesyes
SQL infoSupport of SQLnoyesyes
APIs and other access methodsRESTful HTTP APIHTTP API infoJDBC via HTTP
JDBC
ODBC
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languagesClojure
Java
All languages supporting JDBC/ODBC
Java
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresyes infoTransaction FunctionsJava, SQLyes
TriggersBy using transaction functionsyesyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peersnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyes infousing external storage systems (e.g. Cassandra, DynamoDB, PostgreSQL, Couchbase and others)yesyes
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
User concepts infoAccess controlnofine grained access rights according to SQL-standardAccess rights according to SQL-standard and operating system based

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

Related products and services

We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
DatomicHyperSQL infoalso known as HSQLDBUniData,UniVerse
Recent citations in the news

The Architecture of Datomic
2 November 2012, InfoQ.com

Rich Hickey on Datomic: Datalog, Databases, Persistent Data ...
4 April 2012, InfoQ.com

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

Nubank buys firm behind Clojure programming language
28 July 2020, Finextra

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

provided by Google News

HyperSQL DataBase flaw leaves library vulnerable to RCE
24 October 2022, The Daily Swig

Introduction to JDBC with HSQLDB tutorial
14 November 2022, TheServerSide.com

Upcoming ‘critical’ OpenSSL update prompts feverish speculation
31 October 2022, The Daily Swig

SQLite patches 22-year-old code execution, denial of service vulnerability
1 November 2022, The Daily Swig

Java News Roundup: JEPs Targeted for JDK 20, AWS Introduces ...
5 December 2022, InfoQ.com

provided by Google News

Unidata, double-digit revenue increase in 2022; profit decline ...
14 March 2023, Marketscreener.com

Unidata launches Milan 25 Gbps service via TWT brand
17 March 2023, Telecompaper EN

Unidata names ASN and Elettra to build new Mediterranean cable
18 October 2022, Capacity Media

Pioneer Consulting Assists Unidata in Development of Unitirreno ...
25 October 2022, GlobeNewswire

Unidata (BIT:UD) Could Easily Take On More Debt
11 November 2022, Simply Wall St

provided by Google News

Job opportunities

Full Stack Clojure and React Software Developer
Medical Database, Inc, Irvine, CA

Software Engineer
Consumer Direct Care Network, Missoula, MT

Business Support Specialist
Diligene, New York, NY

Consultant - Colleague ERP (Remote)
Ellucian, Remote

Colleague Consultant/ Programmer (P117)
Ferrilli, Remote

Applications Specialist III
Rancho Santiago Community College District, Santa Ana, CA

Administrator, Application Systems
Asheville-Buncombe Technical Community College, Asheville, NC

Chief Institutional Research Officer
College of Saint Mary, Omaha, NE

jobs by Indeed



Share this page

Featured Products

Cassandra Forward online event

Want to level up your Cassandra game?
If you missed the event or would like to re-watch a session, replays are available now. Watch now!

Redis logo

The world’s most loved real‑time data platform.
Try free

MariaDB logo

SkySQL, the ultimate
MariaDB cloud, is here.

Get started with SkySQL today!

Neo4j logo

See for yourself how a graph database can make your life easier.
Use Neo4j online for free.

AllegroGraph logo

Graph Database Leader for AI Knowledge Graph Applications - The Most Secure Graph Database Available.
Free Download

Present your product here