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DBMS > HyperSQL vs. LokiJS vs. SiteWhere vs. Tkrzw

System Properties Comparison HyperSQL vs. LokiJS vs. SiteWhere vs. Tkrzw

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Editorial information provided by DB-Engines
NameHyperSQL infoalso known as HSQLDB  Xexclude from comparisonLokiJS  Xexclude from comparisonSiteWhere  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparison
DescriptionMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBIn-memory JavaScript DBMSM2M integration platform for persisting/querying time series dataA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto Cabinet
Primary database modelRelational DBMSDocument storeTime Series DBMSKey-value store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.23
Rank#93  Overall
#48  Relational DBMS
Score0.49
Rank#260  Overall
#42  Document stores
Score0.06
Rank#383  Overall
#43  Time Series DBMS
Score0.07
Rank#372  Overall
#57  Key-value stores
Websitehsqldb.orggithub.com/­techfort/­LokiJSgithub.com/­sitewhere/­sitewheredbmx.net/­tkrzw
Technical documentationhsqldb.org/­web/­hsqlDocsFrame.htmltechfort.github.io/­LokiJSsitewhere1.sitewhere.io/­index.html
DeveloperSiteWhereMikio Hirabayashi
Initial release2001201420102020
Current release2.7.2, June 20230.9.3, August 2020
License infoCommercial or Open SourceOpen Source infobased on BSD licenseOpen SourceOpen Source infoCommon Public Attribution License Version 1.0Open Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptJavaC++
Server operating systemsAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesserver-less, requires a JavaScript environment (browser, Node.js)Linux
OS X
Windows
Linux
macOS
Data schemeyesschema-freepredefined schemeschema-free
Typing infopredefined data types such as float or dateyesnoyesno
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.nononono
Secondary indexesyesyes infovia viewsno
SQL infoSupport of SQLyesnonono
APIs and other access methodsHTTP API infoJDBC via HTTP
JDBC
ODBC
JavaScript APIHTTP REST
Supported programming languagesAll languages supporting JDBC/ODBC
Java
JavaScriptC++
Java
Python
Ruby
Server-side scripts infoStored proceduresJava, SQLView functions in JavaScriptno
Triggersyesyesno
Partitioning methods infoMethods for storing different data on different nodesnonenoneSharding infobased on HBasenone
Replication methods infoMethods for redundantly storing data on multiple nodesnonenoneselectable replication factor infobased on HBasenone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDno infoatomic operations within a single collection possibleno
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.yesyesnoyes infousing specific database classes
User concepts infoAccess controlfine grained access rights according to SQL-standardnoUsers with fine-grained authorization conceptno

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More resources
HyperSQL infoalso known as HSQLDBLokiJSSiteWhereTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet
DB-Engines blog posts

New kids on the block: database management systems implemented in JavaScript
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Recent citations in the news

Introduction to JDBC with HSQLDB tutorial
14 November 2022, TheServerSide.com

HyperSQL DataBase flaw leaves library vulnerable to RCE
24 October 2022, The Daily Swig

provided by Google News

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

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SiteWhere: An open platform for connected devices
11 July 2017, Open Source For You

Ten Popular IoT Platforms You Should be Aware of
27 March 2023, Open Source For You

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