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DBMS > Datomic vs. OpenMLDB vs. OrigoDB

System Properties Comparison Datomic vs. OpenMLDB vs. OrigoDB

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Editorial information provided by DB-Engines
NameDatomic  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOrigoDB  Xexclude from comparison
DescriptionDatomic builds on immutable values, supports point-in-time queries and uses 3rd party systems for durabilityAn open-source machine learning database that provides a feature platform for training and inferenceA fully ACID in-memory object graph database
Primary database modelRelational DBMSTime Series DBMSDocument store
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.66
Rank#144  Overall
#66  Relational DBMS
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.06
Rank#380  Overall
#50  Document stores
#19  Object oriented DBMS
Websitewww.datomic.comopenmldb.aiorigodb.com
Technical documentationdocs.datomic.comopenmldb.ai/­docs/­zh/­mainorigodb.com/­docs
DeveloperCognitect4 Paradigm Inc.Robert Friberg et al
Initial release201220202009 infounder the name LiveDB
Current release1.0.7075, December 20232024-2 February 2024
License infoCommercial or Open Sourcecommercial infolimited edition freeOpen SourceOpen Source
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJava, ClojureC++, Java, ScalaC#
Server operating systemsAll OS with a Java VMLinuxLinux
Windows
Data schemeyesFixed schemayes
Typing infopredefined data types such as float or dateyesyesUser defined using .NET types and collections
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.nonono infocan be achieved using .NET
Secondary indexesyesyesyes
SQL infoSupport of SQLnoyesno
APIs and other access methodsRESTful HTTP APIJDBC
SQLAlchemy
.NET Client API
HTTP API
LINQ
Supported programming languagesClojure
Java
C++
Go
Java
Python
Scala
.Net
Server-side scripts infoStored proceduresyes infoTransaction Functionsnoyes
TriggersBy using transaction functionsnoyes infoDomain Events
Partitioning methods infoMethods for storing different data on different nodesnone infoBut extensive use of caching in the application peershorizontal partitioninghorizontal partitioning infoclient side managed; servers are not synchronized
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoBut extensive use of caching in the application peersSource-replica replicationSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonodepending on model
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
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 infoWrite ahead log
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 developmentyesyes
User concepts infoAccess controlnofine grained access rights according to SQL-standardRole based authorization

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More resources
DatomicOpenMLDBOrigoDB
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