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DBMS > Alibaba Cloud TSDB vs. Coveo vs. LokiJS

System Properties Comparison Alibaba Cloud TSDB vs. Coveo vs. LokiJS

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Editorial information provided by DB-Engines
NameAlibaba Cloud TSDB  Xexclude from comparisonCoveo  Xexclude from comparisonLokiJS  Xexclude from comparison
DescriptionA stable, reliable, and cost-effective online high-performance time series database serviceAI-powered hosted search, recommendation and personalization platform providing tools for both low-code and full-code developmentIn-memory JavaScript DBMS
Primary database modelTime Series DBMSSearch engineDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.23
Rank#300  Overall
#24  Time Series DBMS
Score2.14
Rank#116  Overall
#11  Search engines
Score0.44
Rank#256  Overall
#40  Document stores
Websitewww.alibabacloud.com/­product/­hitsdbwww.coveo.comgithub.com/­techfort/­LokiJS
Technical documentationwww.alibabacloud.com/­help/­en/­time-series-database/­latest/­what-is-tsdbdocs.coveo.comtechfort.github.io/­LokiJS
DeveloperAlibabaCoveo
Initial release20122014
License infoCommercial or Open SourcecommercialcommercialOpen Source
Cloud-based only infoOnly available as a cloud serviceyesyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScript
Server operating systemshostedhostedserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freehybrid - fields need to be configured prior to indexing, but relationships can be exploited at query time without pre-configurationschema-free
Typing infopredefined data types such as float or dateNumeric data and Stringsyesno
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
Secondary indexesnoyesyes infovia views
SQL infoSupport of SQLnonono
APIs and other access methodsHTTP RESTRESTful HTTP APIJavaScript API
Supported programming languagesJavaC#
Java
JavaScript
Python
JavaScript
Server-side scripts infoStored proceduresnonoView functions in JavaScript
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoyesno infoatomic operations within a single collection possible
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyesyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes
User concepts infoAccess controlAccess managed on TSDB instance levelgranular access controls, API key management, content filtersno

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More resources
Alibaba Cloud TSDBCoveoLokiJS
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
1 December 2014, Matthias Gelbmann

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