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DBMS > SiteWhere vs. StarRocks vs. TerminusDB vs. VelocityDB

System Properties Comparison SiteWhere vs. StarRocks vs. TerminusDB vs. VelocityDB

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Editorial information provided by DB-Engines
NameSiteWhere  Xexclude from comparisonStarRocks  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionM2M integration platform for persisting/querying time series dataAn open source, high-performance columnar analytical database that enables real-time, multi-dimensional, and highly concurrent data analytics infoForked from Apache DorisScalable 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
Score0.06
Rank#356  Overall
#35  Time Series DBMS
Score1.04
Rank#189  Overall
#88  Relational DBMS
Score0.17
Rank#325  Overall
#29  Graph DBMS
Score0.05
Rank#358  Overall
#36  Graph DBMS
#16  Object oriented DBMS
Websitegithub.com/­sitewhere/­sitewherewww.starrocks.ioterminusdb.comvelocitydb.com
Technical documentationsitewhere1.sitewhere.io/­index.htmldocs.starrocks.io/­en-us/­latest/­introduction/­StarRocks_introterminusdb.github.io/­terminusdb/­#velocitydb.com/­UserGuide
DeveloperSiteWhereThe Linux Foundation infosince Feb 2023DataChemist Ltd.VelocityDB Inc
Initial release2010202020182011
Current release2.5.3, March 202311.0.0, January 20237.x
License infoCommercial or Open SourceOpen Source infoCommon Public Attribution License Version 1.0Open Source infoApache Version 2.0Open 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 languageJavaC++, JavaProlog, RustC#
Server operating systemsLinux
OS X
Windows
LinuxLinuxAny that supports .NET
Data schemepredefined schemeyesyesyes
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 indexesnoyesyes
SQL infoSupport of SQLnoyesSQL-like query language (WOQL)no
APIs and other access methodsHTTP RESTJDBC
MySQL protocol
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
.Net
Supported programming languagesJavaJavaScript
Python
.Net
Server-side scripts infoStored proceduresuser defined functionsyesno
TriggersnoyesCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on HBasehorizontal partitioning (by range and hash)Graph PartitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on HBaseJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyes infoin-memory journalingyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyes
User concepts infoAccess controlUsers with fine-grained authorization conceptRole based access control and fine grained access rightsRole-based access controlBased on Windows Authentication

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More resources
SiteWhereStarRocksTerminusDB infoformer name was DataChemistVelocityDB
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