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DBMS > Databend vs. H2GIS vs. LokiJS vs. OpenQM

System Properties Comparison Databend vs. H2GIS vs. LokiJS vs. OpenQM

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Editorial information provided by DB-Engines
NameDatabend  Xexclude from comparisonH2GIS  Xexclude from comparisonLokiJS  Xexclude from comparisonOpenQM infoalso called QM  Xexclude from comparison
DescriptionAn open-source, elastic, and workload-aware cloud data warehouse designed to meet businesses' massive-scale analytics needs at low cost and with low complexitySpatial extension of H2In-memory JavaScript DBMSQpenQM is a high-performance, self-tuning, multi-value DBMS
Primary database modelRelational DBMSSpatial DBMSDocument storeMultivalue DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.28
Rank#287  Overall
#131  Relational DBMS
Score0.00
Rank#385  Overall
#7  Spatial DBMS
Score0.44
Rank#256  Overall
#40  Document stores
Score0.28
Rank#291  Overall
#10  Multivalue DBMS
Websitegithub.com/­datafuselabs/­databend
www.databend.com
www.h2gis.orggithub.com/­techfort/­LokiJSwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-open-qm
Technical documentationdocs.databend.comwww.h2gis.org/­docs/­hometechfort.github.io/­LokiJS
DeveloperDatabend LabsCNRSRocket Software, originally Martin Phillips
Initial release2021201320141993
Current release1.0.59, April 20233.4-12
License infoCommercial or Open SourceOpen Source infoApache Version 2.0Open Source infoLGPL 3.0Open SourceOpen Source infoGPLv2, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageRustJavaJavaScript
Server operating systemshosted
Linux
macOS
server-less, requires a JavaScript environment (browser, Node.js)AIX
FreeBSD
Linux
macOS
Raspberry Pi
Solaris
Windows
Data schemeyesyesschema-freeyes infowith some exceptions
Typing infopredefined data types such as float or dateyesyesno
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 indexesnoyesyes infovia viewsyes
SQL infoSupport of SQLyesyesnono
APIs and other access methodsCLI Client
JDBC
RESTful HTTP API
JavaScript API
Supported programming languagesGo
Java
JavaScript (Node.js)
Python
Rust
JavaJavaScript.Net
Basic
C
Java
Objective C
PHP
Python
Server-side scripts infoStored proceduresnoyes infobased on H2View functions in JavaScriptyes
Triggersnoyesyesyes
Partitioning methods infoMethods for storing different data on different nodesnonenonenoneyes
Replication methods infoMethods for redundantly storing data on multiple nodesnoneyes infobased on H2noneyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACIDno infoatomic operations within a single collection possibleACID
Concurrency infoSupport for concurrent manipulation of datayesyes, multi-version concurrency control (MVCC)yes
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.yes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlUsers with fine-grained authorization concept, user rolesyes infobased on H2noAccess rights can be defined down to the item level

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More resources
DatabendH2GISLokiJSOpenQM infoalso called QM
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