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DBMS > GreptimeDB vs. RDFox vs. Ultipa

System Properties Comparison GreptimeDB vs. RDFox vs. Ultipa

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Editorial information provided by DB-Engines
NameGreptimeDB  Xexclude from comparisonRDFox  Xexclude from comparisonUltipa  Xexclude from comparison
DescriptionAn open source Time Series DBMS built for increased scalability, high performance and efficiencyHigh performance knowledge graph and semantic reasoning engineHigh performance Graph DBMS supporting HTAP high availability cluster deployment
Primary database modelTime Series DBMSGraph DBMS
RDF store
Graph DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.06
Rank#352  Overall
#33  Time Series DBMS
Score0.23
Rank#308  Overall
#25  Graph DBMS
#14  RDF stores
Score0.13
Rank#335  Overall
#31  Graph DBMS
Websitegreptime.comwww.oxfordsemantic.techwww.ultipa.com
Technical documentationdocs.greptime.comdocs.oxfordsemantic.techwww.ultipa.com/­document
DeveloperGreptime Inc.Oxford Semantic TechnologiesUltipa
Initial release202220172019
Current release6.0, Septermber 2022
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageRustC++
Server operating systemsAndroid
Docker
FreeBSD
Linux
macOS
Windows
Linux
macOS
Windows
Data schemeschema-free, schema definition possibleyes infoRDF schemas
Typing infopredefined data types such as float or dateyesyes
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.no
Secondary indexesyes
SQL infoSupport of SQLyesno
APIs and other access methodsgRPC
HTTP API
JDBC
RESTful HTTP API
SPARQL 1.1
RESTful HTTP API
Supported programming languagesC++
Erlang
Go
Java
JavaScript
C
Java
C++
Go
Java
JavaScript (Node.js)
Python
Server-side scripts infoStored proceduresPython
Partitioning methods infoMethods for storing different data on different nodesSharding
Replication methods infoMethods for redundantly storing data on multiple nodesreplication via a shared file system
MapReduce infoOffers an API for user-defined Map/Reduce methodsno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setups
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACID
Concurrency infoSupport for concurrent manipulation of datayes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlSimple rights management via user accountsRoles, resources, and access types
More information provided by the system vendor
GreptimeDBRDFoxUltipa
Specific characteristicsGreptimeDB is a SQL & Python-enabled timeseries database system built from scratch...
» more
Competitive advantages- Inherits advantages of Rust, such as excellent performance, memory safe, resource...
» more
Typical application scenariosFor IoT industries, GreptimeDB can seamless integrate with message queues and other...
» more
Key customersGreptime's clients span multiple sectors including IoT, connected vehicles, and energy...
» more
Market metricsGreptimeDB has garnered global recognition by topping GitHub trends following its...
» more
Licensing and pricing modelsGreptimeDB: open source, distributed, cloud-native TSDB; supports Hybrid Time-series...
» more

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
GreptimeDBRDFoxUltipa
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