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DBMS > KairosDB vs. MonetDB vs. RDFox vs. Tkrzw vs. Yaacomo

System Properties Comparison KairosDB vs. MonetDB vs. RDFox vs. Tkrzw vs. Yaacomo

Editorial information provided by DB-Engines
NameKairosDB  Xexclude from comparisonMonetDB  Xexclude from comparisonRDFox  Xexclude from comparisonTkrzw infoSuccessor of Tokyo Cabinet and Kyoto Cabinet  Xexclude from comparisonYaacomo  Xexclude from comparison
Yaacomo seems to be discontinued and is removed from the DB-Engines ranking
DescriptionDistributed Time Series DBMS based on Cassandra or H2A relational database management system that stores data in columnsHigh performance knowledge graph and semantic reasoning engineA concept of libraries, allowing an application program to store and query key-value pairs in a file. Successor of Tokyo Cabinet and Kyoto CabinetOpenCL based in-memory RDBMS, designed for efficiently utilizing the hardware via parallel computing
Primary database modelTime Series DBMSRelational DBMSGraph DBMS
RDF store
Key-value storeRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
Relational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.62
Rank#239  Overall
#20  Time Series DBMS
Score1.72
Rank#145  Overall
#67  Relational DBMS
Score0.23
Rank#308  Overall
#25  Graph DBMS
#14  RDF stores
Score0.00
Rank#383  Overall
#60  Key-value stores
Websitegithub.com/­kairosdb/­kairosdbwww.monetdb.orgwww.oxfordsemantic.techdbmx.net/­tkrzwyaacomo.com
Technical documentationkairosdb.github.iowww.monetdb.org/­Documentationdocs.oxfordsemantic.tech
DeveloperMonetDB BVOxford Semantic TechnologiesMikio HirabayashiQ2WEB GmbH
Initial release20132004201720202009
Current release1.2.2, November 2018Dec2023 (11.49), December 20236.0, Septermber 20220.9.3, August 2020
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoMozilla Public License 2.0commercialOpen Source infoApache Version 2.0commercial
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageJavaCC++C++
Server operating systemsLinux
OS X
Windows
FreeBSD
Linux
OS X
Solaris
Windows
Linux
macOS
Windows
Linux
macOS
Android
Linux
Windows
Data schemeschema-freeyesyes infoRDF schemasschema-freeyes
Typing infopredefined data types such as float or dateyesyesyesnoyes
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.nonono
Secondary indexesnoyesyes
SQL infoSupport of SQLnoyes infoSQL 2003 with some extensionsnonoyes
APIs and other access methodsGraphite protocol
HTTP REST
Telnet API
JDBC
native C library infoMAPI library (MonetDB application programming interface)
ODBC
RESTful HTTP API
SPARQL 1.1
JDBC
ODBC
Supported programming languagesJava
JavaScript infoNode.js
PHP
Python
C
C++
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
C
Java
C++
Java
Python
Ruby
Server-side scripts infoStored proceduresnoyes, in SQL, C, Rno
Triggersnoyesnoyes
Partitioning methods infoMethods for storing different data on different nodesSharding infobased on CassandraSharding via remote tablesnonehorizontal partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandranone infoSource-replica replication available in experimental statusreplication via a shared file systemnoneSource-replica replication
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
Immediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyes infousing specific database classesyes
User concepts infoAccess controlsimple password-based access controlfine grained access rights according to SQL-standardRoles, resources, and access typesnofine grained access rights according to SQL-standard

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More resources
KairosDBMonetDBRDFoxTkrzw infoSuccessor of Tokyo Cabinet and Kyoto CabinetYaacomo
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