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DBMS > OpenQM vs. OrigoDB vs. PouchDB vs. TerminusDB vs. YDB

System Properties Comparison OpenQM vs. OrigoDB vs. PouchDB vs. TerminusDB vs. YDB

Editorial information provided by DB-Engines
NameOpenQM infoalso called QM  Xexclude from comparisonOrigoDB  Xexclude from comparisonPouchDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonYDB  Xexclude from comparison
DescriptionQpenQM is a high-performance, self-tuning, multi-value DBMSA fully ACID in-memory object graph databaseJavaScript DBMS with an API inspired by CouchDBScalable 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 API
Primary database modelMultivalue DBMSDocument store
Object oriented DBMS
Document storeGraph DBMSDocument store
Relational DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.33
Rank#286  Overall
#10  Multivalue DBMS
Score0.03
Rank#378  Overall
#51  Document stores
#18  Object oriented DBMS
Score2.35
Rank#116  Overall
#22  Document stores
Score0.22
Rank#323  Overall
#28  Graph DBMS
Score0.34
Rank#285  Overall
#43  Document stores
#130  Relational DBMS
Websitewww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmorigodb.compouchdb.comterminusdb.comgithub.com/­ydb-platform/­ydb
ydb.tech
Technical documentationorigodb.com/­docspouchdb.com/­guidesterminusdb.github.io/­terminusdb/­#ydb.tech/­en/­docs
DeveloperRocket Software, originally Martin PhillipsRobert Friberg et alApache Software FoundationDataChemist Ltd.Yandex
Initial release19932009 infounder the name LiveDB201220182019
Current release3.4-127.1.1, June 201911.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoGPLv2, extended commercial license availableOpen SourceOpen SourceOpen Source infoGPL V3Open Source infoApache 2.0; commercial license available
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#JavaScriptProlog, Rust
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Linux
Windows
server-less, requires a JavaScript environment (browser, Node.js)LinuxLinux
Data schemeyes infowith some exceptionsyesschema-freeyesFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateUser defined using .NET types and collectionsnoyesyes
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.yesno infocan be achieved using .NETnonono
Secondary indexesyesyesyes infovia viewsyes
SQL infoSupport of SQLnononoSQL-like query language (WOQL)SQL-like query language (YQL)
APIs and other access methods.NET Client API
HTTP API
LINQ
HTTP REST infoonly for PouchDB Server
JavaScript API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
RESTful HTTP API (DynamoDB compatible)
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
.NetJavaScriptJavaScript
Python
Go
Java
JavaScript (Node.js)
PHP
Python
Server-side scripts infoStored proceduresyesyesView functions in JavaScriptyesno
Triggersyesyes infoDomain Eventsyesyes
Partitioning methods infoMethods for storing different data on different nodesyeshorizontal partitioning infoclient side managed; servers are not synchronizedSharding infowith a proxy-based framework, named couchdb-loungeGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replicationMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
Journaling StreamsActive-passive shard replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynodepending on modelnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyes infoWrite ahead logyes infoby using IndexedDB, WebSQL or LevelDB as backendyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesno
User concepts infoAccess controlAccess rights can be defined down to the item levelRole based authorizationnoRole-based access controlAccess rights defined for Yandex Cloud users

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More resources
OpenQM infoalso called QMOrigoDBPouchDBTerminusDB infoformer name was DataChemistYDB
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