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DBMS > Apache Doris vs. RDFox vs. RRDtool vs. VelocityDB

System Properties Comparison Apache Doris vs. RDFox vs. RRDtool vs. VelocityDB

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Editorial information provided by DB-Engines
NameApache Doris  Xexclude from comparisonRDFox  Xexclude from comparisonRRDtool  Xexclude from comparisonVelocityDB  Xexclude from comparison
DescriptionAn MPP-based analytics DBMS embracing the MySQL protocolHigh performance knowledge graph and semantic reasoning engineIndustry standard data logging and graphing tool for time series data. RRD is an acronym for round-robin database. infoThe data is stored in a circular buffer, thus the system storage footprint remains constant over time.A .NET Object Database that can be embedded/distributed and extended to a graph data model (VelocityGraph)
Primary database modelRelational DBMSGraph DBMS
RDF store
Time Series DBMSGraph DBMS
Object oriented DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.60
Rank#247  Overall
#113  Relational DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score1.90
Rank#132  Overall
#11  Time Series DBMS
Score0.11
Rank#354  Overall
#37  Graph DBMS
#15  Object oriented DBMS
Websitedoris.apache.org
github.com/­apache/­doris
www.oxfordsemantic.techoss.oetiker.ch/­rrdtoolvelocitydb.com
Technical documentationgithub.com/­apache/­doris/­wikidocs.oxfordsemantic.techoss.oetiker.ch/­rrdtool/­docvelocitydb.com/­UserGuide
DeveloperApache Software Foundation, originally contributed from BaiduOxford Semantic TechnologiesTobias OetikerVelocityDB Inc
Initial release2017201719992011
Current release1.2.2, February 20236.0, Septermber 20221.8.0, 20227.x
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialOpen Source infoGPL V2 and FLOSScommercial
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaC++C infoImplementations in Java (e.g. RRD4J) and C# availableC#
Server operating systemsLinuxLinux
macOS
Windows
HP-UX
Linux
Any that supports .NET
Data schemeyesyes infoRDF schemasyesyes
Typing infopredefined data types such as float or dateyesyesNumeric data onlyyes
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.nono infoExporting into and restoring from XML files possibleno
Secondary indexesyesnoyes
SQL infoSupport of SQLyesnonono
APIs and other access methodsJDBC
MySQL client
RESTful HTTP API
SPARQL 1.1
in-process shared library
Pipes
.Net
Supported programming languagesJavaC
Java
C infowith librrd library
C# infowith a different implementation of RRDTool
Java infowith a different implementation of RRDTool
JavaScript (Node.js) infowith a different implementation of RRDTool
Lua
Perl
PHP infowith a wrapper library
Python
Ruby
.Net
Server-side scripts infoStored proceduresuser defined functionsnono
TriggersnonoCallbacks are triggered when data changes
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnoneSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnonereplication via a shared file systemnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsnoneImmediate Consistency
Foreign keys infoReferential integritynonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoby using the rrdcached daemonyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlfine grained access rights according to SQL-standardRoles, resources, and access typesnoBased on Windows Authentication

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More resources
Apache DorisRDFoxRRDtoolVelocityDB
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