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DBMS > LokiJS vs. Sequoiadb vs. SpaceTime vs. Tkrzw vs. Yaacomo

System Properties Comparison LokiJS vs. Sequoiadb vs. SpaceTime vs. Tkrzw vs. Yaacomo

Editorial information provided by DB-Engines
NameLokiJS  Xexclude from comparisonSequoiadb  Xexclude from comparisonSpaceTime  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionIn-memory JavaScript DBMSNewSQL database with distributed OLTP and SQLSpaceTime is a spatio-temporal DBMS with a focus on performance.A concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto CabinetOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelDocument storeDocument store
Relational DBMS
Spatial DBMSKey-value storeRelational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.44
Rank#256  Overall
#40  Document stores
Score0.42
Rank#263  Overall
#41  Document stores
#121  Relational DBMS
Score0.00
Rank#385  Overall
#7  Spatial DBMS
Score0.00
Rank#385  Overall
#61  Key-value stores
Websitegithub.com/­techfort/­LokiJSwww.sequoiadb.comwww.mireo.com/­spacetimedbmx.net/­tkrzwyaacomo.com
Technical documentationtechfort.github.io/­LokiJSwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperSequoiadb Ltd.MireoMikio HirabayashiQ2WEB GmbH
Initial release20142013202020202009
Current release0.9.3, August 2020
License infoCommercial or Open SourceOpen SourceOpen Source infoServer: AGPL; Client: Apache V2commercialOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaScriptC++C++C++
Server operating systemsserver-less, requires a JavaScript environment (browser, Node.js)LinuxLinuxLinux
macOS
Android
Linux
Windows
Data schemeschema-freeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or datenoyes infooid, date, timestamp, binary, regexyesnoyes
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.nonononono
Secondary indexesyes infovia viewsyesnoyes
SQL infoSupport of SQLnoSQL-like query languageA subset of ANSI SQL is implementednoyes
APIs and other access methodsJavaScript APIproprietary protocol using JSONRESTful HTTP APIJDBC
ODBC
Supported programming languagesJavaScript.Net
C++
Java
PHP
Python
C#
C++
Python
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresView functions in JavaScriptJavaScriptnono
Triggersyesnononoyes
Partitioning methods infoMethods for storing different data on different nodesnoneShardingFixed-grid hypercubesnonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesnoneSource-replica replicationReal-time block device replication (DRBD)noneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemnoneEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single collection possibleDocument is locked during a transactionnoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyes infoSerialization of a DB in a Node.JS/Cordova/PhoneGap environment. Usage of the IndexedDB-API in a browser.yesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnonoyes infousing specific database classesyes
User concepts infoAccess controlnosimple password-based access controlyesnofine grained access rights according to SQL-standard

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More resources
LokiJSSequoiadbSpaceTimeTkrzw infoSuccessor of Tokyo Cabinet and Kyoto CabinetYaacomo
DB-Engines blog posts

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

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Recent citations in the news

LokiJS - A JavaScript Database
18 November 2014, iProgrammer

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