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DBMS > EXASOL vs. KairosDB vs. OpenTSDB vs. RDFox vs. ToroDB

System Properties Comparison EXASOL vs. KairosDB vs. OpenTSDB vs. RDFox vs. ToroDB

Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonKairosDB  Xexclude from comparisonOpenTSDB  Xexclude from comparisonRDFox  Xexclude from comparisonToroDB  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.Distributed Time Series DBMS based on Cassandra or H2Scalable Time Series DBMS based on HBaseHigh performance knowledge graph and semantic reasoning engineA MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelRelational DBMSTime Series DBMSTime Series DBMSGraph DBMS
RDF store
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.19
Rank#102  Overall
#52  Relational DBMS
Score0.67
Rank#214  Overall
#16  Time Series DBMS
Score2.03
Rank#126  Overall
#8  Time Series DBMS
Score0.06
Rank#331  Overall
#34  Graph DBMS
#17  RDF stores
Score0.03
Rank#342  Overall
#45  Document stores
Websitewww.exasol.comgithub.com/­kairosdb/­kairosdbopentsdb.netwww.oxfordsemantic.techwww.torodb.com
Technical documentationwww.exasol.com/­resourceskairosdb.github.ioopentsdb.net/­docs/­build/­html/­index.htmldocs.oxfordsemantic.techwww.torodb.com/­stampede/­docs
DeveloperExasolcurrently maintained by Yahoo and other contributors8Kdata
Initial release20002013201120172016
Current release1.2.2, November 20185.2, June 2021
License infoCommercial or Open SourcecommercialOpen Source infoApache 2.0Open Source infoLGPLcommercialOpen Source infoAGPL-V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageJavaJavaJava
Server operating systemsLinux
OS X
Windows
Linux
Windows
Linux
macOS
Windows
All OS with a Java 7 VM
Data schemeyesschema-freeschema-freeyes infoRDF schemasschema-free
Typing infopredefined data types such as float or dateyesyesnumeric data for metrics, strings for tagsyes infostring, integer, double, boolean, date, object_id
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 indexesyesnono
SQL infoSupport of SQLyesnonono
APIs and other access methods.Net
JDBC
ODBC
WebSocket
Graphite protocol
HTTP REST
Telnet API
HTTP API
Telnet API
RESTful HTTP API
SPARQL 1.1
Supported programming languagesJava
Lua
Python
R
Java
JavaScript infoNode.js
PHP
Python
Erlang
Go
Java
Python
R
Ruby
C
Java
Server-side scripts infoStored proceduresuser defined functionsnono
Triggersyesnonono
Partitioning methods infoMethods for storing different data on different nodesShardingSharding infobased on CassandraSharding infobased on HBaseSharding
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor infobased on Cassandraselectable replication factor infobased on HBaseSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency infobased on HBaseEventual Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnonono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnonoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
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.yesnonoyes
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardsimple password-based access controlnoAccess rights for users and roles

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More resources
EXASOLKairosDBOpenTSDBRDFoxToroDB
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