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DBMS > OpenQM vs. TerminusDB vs. YDB vs. YTsaurus

System Properties Comparison OpenQM vs. TerminusDB vs. YDB vs. YTsaurus

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Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonYDB  Xexclude from comparisonYTsaurus  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA distributed fault-tolerant database service, with high availability, scalability, immediate consistency and ACID transactions and providing an Amazon DynamoDB compatible APIYTsaurus is an open source platform for distributed storage and processing.
Primary database modelMultivalue DBMSGraph DBMSDocument store
Relational DBMS
Document store
Key-value store
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.27
Rank#298  Overall
#10  Multivalue DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Score0.35
Rank#278  Overall
#43  Document stores
#127  Relational DBMS
Score0.11
Rank#340  Overall
#45  Document stores
#50  Key-value stores
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmterminusdb.comgithub.com/­ydb-platform/­ydb
ydb.tech
ytsaurus.tech
Technical documentationterminusdb.github.io/­terminusdb/­#ydb.tech/­en/­docsytsaurus.tech/­docs/­en
DeveloperRocket Software, originally Martin PhillipsDataChemist Ltd.YandexYandex
Initial release1993201820192023
Current release3.4-1211.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen Source infoGPL V3Open Source infoApache 2.0; commercial license availableOpen Source infoApache License, Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageProlog, RustC++
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
LinuxLinuxUbuntu
Data schemeyes infowith some exceptionsyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyesyesyes
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.yesnonono
Secondary indexesyesyes
SQL infoSupport of SQLnoSQL-like query language (WOQL)SQL-like query language (YQL)YQL, an SQL-based language, is supported
APIs and other access methodsOWL
RESTful HTTP API
WOQL (Web Object Query Language)
RESTful HTTP API (DynamoDB compatible)
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
JavaScript
Python
Go
Java
JavaScript (Node.js)
PHP
Python
C++
Go
Java
JavaScript
Python
Server-side scripts infoStored proceduresyesyesno
Triggersyesyes
Partitioning methods infoMethods for storing different data on different nodesyesGraph PartitioningShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesJournaling StreamsActive-passive shard replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononoyes
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 dataACIDACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoin-memory journalingyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.no
User concepts infoAccess controlAccess rights can be defined down to the item levelRole-based access controlAccess rights defined for Yandex Cloud usersAccess Control Lists

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More resources
OpenQM infoalso called QMTerminusDB infoformer name was DataChemistYDBYTsaurus
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