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DBMS > Heroic vs. OpenQM vs. searchxml vs. SQL.JS

System Properties Comparison Heroic vs. OpenQM vs. searchxml vs. SQL.JS

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Editorial information provided by DB-Engines
NameHeroic  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparisonsearchxml  Xexclude from comparisonSQL.JS  Xexclude from comparison
DescriptionTime Series DBMS built at Spotify based on Cassandra or Google Cloud Bigtable, and ElasticSearchQpenQM is a high-performance, self-tuning, multi-value DBMSDBMS for structured and unstructured content wrapped with an application serverPort of SQLite to JavaScript
Primary database modelTime Series DBMSMultivalue DBMSNative XML DBMS
Search engine
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.46
Rank#265  Overall
#22  Time Series DBMS
Score0.34
Rank#284  Overall
#10  Multivalue DBMS
Score0.03
Rank#390  Overall
#7  Native XML DBMS
#24  Search engines
Score0.63
Rank#241  Overall
#112  Relational DBMS
Websitegithub.com/­spotify/­heroicwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qmwww.searchxml.net/­category/­productssql.js.org
Technical documentationspotify.github.io/­heroicwww.searchxml.net/­support/­handoutssql.js.org/­documentation/­index.html
DeveloperSpotifyRocket Software, originally Martin Phillipsinformationpartners gmbhAlon Zakai infoenhancements implemented by others
Initial release2014199320152012
Current release3.4-121.0
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoGPLv2, extended commercial license availablecommercialOpen Source
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 languageJavaC++JavaScript
Server operating systemsAIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Windowsserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeyes infowith some exceptionsschema-freeyes
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.noyesyesno
Secondary indexesyes infovia Elasticsearchyesyes
SQL infoSupport of SQLnononoyes infoSQL-92 is not fully supported
APIs and other access methodsHQL (Heroic Query Language, a JSON-based language)
HTTP API
RESTful HTTP API
WebDAV
XQuery
XSLT
JavaScript API
Supported programming languages.Net
Basic
C
Java
Objective C
PHP
Python
C++ infomost other programming languages supported via APIsJavaScript
Server-side scripts infoStored proceduresnoyesyes infoon the application serverno
Triggersnoyesnono
Partitioning methods infoMethods for storing different data on different nodesShardingyesnonenone
Replication methods infoMethods for redundantly storing data on multiple nodesyesyesyes infosychronisation to multiple collectionsnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate ConsistencyImmediate Consistencynone
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDmultiple readers, single writerACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyesno infoexcept by serializing a db to a file
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlAccess rights can be defined down to the item levelDomain, group and role-based access control at the document level and for application servicesno

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More resources
HeroicOpenQM infoalso called QMsearchxmlSQL.JS
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