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DBMS > JaguarDB vs. SpaceTime vs. SQL.JS vs. VelocityDB

System Properties Comparison JaguarDB vs. SpaceTime vs. SQL.JS vs. VelocityDB

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Editorial information provided by DB-Engines
NameJaguarDB  Xexclude from comparisonSpaceTime  Xexclude from comparisonSQL.JS  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionPerformant, highly scalable DBMS for AI and IoT applicationsSpaceTime is a spatio-temporal DBMS with a focus on performance.Port of SQLite to JavaScriptA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelKey-value store
Vector DBMS
Spatial DBMSRelational DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#381  Overall
#59  Key-value stores
#13  Vector DBMS
Score0.03
Rank#392  Overall
#8  Spatial DBMS
Score0.63
Rank#241  Overall
#112  Relational DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitewww.jaguardb.comwww.mireo.com/­spacetimesql.js.orgvelocitydb.com
Technical documentationwww.jaguardb.com/­support.htmlsql.js.org/­documentation/­index.htmlvelocitydb.com/­UserGuide
DeveloperDataJaguar, Inc.MireoAlon Zakai infoenhancements implemented by othersVelocityDB Inc
Initial release2015202020122011
Current release3.3 July 20237.x
License infoCommercial or Open SourceOpen Source infoGPL V3.0commercialOpen Sourcecommercial
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 languageC++ infothe server part. Clients available in other languagesC++JavaScriptC#
Server operating systemsLinuxLinuxserver-less, requires a JavaScript environment (browser, Node.js)Any that supports .NET
Data schemeyesyesyesyes
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesnoyes
SQL infoSupport of SQLA subset of ANSI SQL is implemented infobut no views, foreign keys, triggersA subset of ANSI SQL is implementedyes infoSQL-92 is not fully supportedno
APIs and other access methodsJDBC
ODBC
RESTful HTTP APIJavaScript API.Net
Supported programming languagesC
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Scala
C#
C++
Python
JavaScript.Net
Server-side scripts infoStored proceduresnononono
TriggersnononoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesShardingFixed-grid hypercubesnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replicationReal-time block device replication (DRBD)none
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesno infoexcept by serializing a db to a fileyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlrights management via user accountsyesnoBased on Windows Authentication

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More resources
JaguarDBSpaceTimeSQL.JSVelocityDB
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