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DBMS > Newts vs. SQL.JS vs. TerminusDB vs. VelocityDB

System Properties Comparison Newts vs. SQL.JS vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameNewts  Xexclude from comparisonSQL.JS  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionTime Series DBMS based on CassandraPort of SQLite to JavaScriptScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationshipsA .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelTime Series DBMSRelational DBMSGraph DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.00
Rank#383  Overall
#41  Time Series DBMS
Score0.53
Rank#252  Overall
#116  Relational DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websiteopennms.github.io/­newtssql.js.orgterminusdb.comvelocitydb.com
Technical documentationgithub.com/­OpenNMS/­newts/­wikisql.js.org/­documentation/­index.htmlterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperOpenNMS GroupAlon Zakai infoenhancements implemented by othersDataChemist Ltd.VelocityDB Inc
Initial release2014201220182011
Current release11.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoApache 2.0Open SourceOpen Source infoGPL V3commercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaJavaScriptProlog, RustC#
Server operating systemsLinux
OS X
Windows
server-less, requires a JavaScript environment (browser, Node.js)LinuxAny that supports .NET
Data schemeschema-freeyesyesyes
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 indexesnoyes
SQL infoSupport of SQLnoyes infoSQL-92 is not fully supportedSQL-like query language (WOQL)no
APIs and other access methodsHTTP REST
Java API
JavaScript APIOWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesJavaJavaScriptJavaScript
Python
.Net
Server-side scripts infoStored proceduresnonoyesno
TriggersnonoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandranoneGraph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on CassandranoneJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
noneImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesno infoexcept by serializing a db to a fileyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes
User concepts infoAccess controlnonoRole-based access controlBased on Windows Authentication

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More resources
NewtsSQL.JSTerminusDB infoformer name was DataChemistVelocityDB
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