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DBMS > Alibaba Cloud TSDB vs. LokiJS vs. OpenMLDB vs. OpenQM

System Properties Comparison Alibaba Cloud TSDB vs. LokiJS vs. OpenMLDB vs. OpenQM

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenMLDB  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceIn-memory JavaScript DBMSAn open-source machine learning database that provides a feature platform for training and inferenceQpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelTime Series DBMSDocument storeTime Series DBMSMultivalue DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.29
Rank#301  Overall
#26  Time Series DBMS
Score0.49
Rank#260  Overall
#42  Document stores
Score0.10
Rank#359  Overall
#36  Time Series DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Websitewww.alibabacloud.com/­product/­hitsdbgithub.com/­techfort/­LokiJSopenmldb.aiwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbtechfort.github.io/­LokiJSopenmldb.ai/­docs/­zh/­main
DeveloperAlibaba4 Paradigm Inc.Rocket Software, originally Martin Phillips
Initial release201420201993
Current release2024-2 February 20243.4-12
License infoCommercial or Open SourcecommercialOpen SourceOpen SourceOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud serviceyesnonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaScriptC++, Java, Scala
Server operating systemshostedserver-less, requires a JavaScript environment (browser, Node.js)LinuxAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeschema-freeschema-freeFixed schemayes infowith some exceptions
Typing infopredefined data types such as float or dateNumeric data and Stringsnoyes
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.nononoyes
Secondary indexesnoyes infovia viewsyesyes
SQL infoSupport of SQLnonoyesno
APIs and other access methodsHTTP RESTJavaScript APIJDBC
SQLAlchemy
Supported programming languagesJavaJavaScriptC++
Go
Java
Python
Scala
.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresnoView functions in JavaScriptnoyes
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioningyes
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single collection possiblenoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlAccess managed on TSDB instance levelnofine grained access rights according to SQL-standardAccess rights can be defined down to the item level

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More resources
Alibaba Cloud TSDBLokiJSOpenMLDBOpenQM infoalso called QM
DB-Engines blog posts

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