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DBMS > EXASOL vs. openGemini vs. RDFox vs. TDSQL for MySQL

System Properties Comparison EXASOL vs. openGemini vs. RDFox vs. TDSQL for MySQL

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Editorial information provided by DB-Engines
NameEXASOL  Xexclude from comparisonopenGemini  Xexclude from comparisonRDFox  Xexclude from comparisonTDSQL for MySQL  Xexclude from comparison
DescriptionHigh-performance, in-memory, MPP database specifically designed for in-memory analytics.An open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityHigh performance knowledge graph and semantic reasoning engineA high-performance distributed database management system with features such as automatic sharding, intelligent operation and maintenance, elastic scalability without downtime, and enterprise-grade security. It is highly compatible with MySQL.
Primary database modelRelational DBMSTime Series DBMSGraph DBMS
RDF store
Relational DBMS
Secondary database modelsRelational DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.76
Rank#139  Overall
#62  Relational DBMS
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score0.85
Rank#207  Overall
#97  Relational DBMS
Websitewww.exasol.comwww.opengemini.org
github.com/­openGemini
www.oxfordsemantic.techwww.tencentcloud.com/­products/­dcdb
Technical documentationwww.exasol.com/­resourcesdocs.opengemini.org/­guidedocs.oxfordsemantic.techwww.tencentcloud.com/­document/­product/­1042
DeveloperExasolHuawei and openGemini communityOxford Semantic TechnologiesTencent
Initial release2000202220172013
Current release1.1, July 20236.0, Septermber 2022
License infoCommercial or Open SourcecommercialOpen Source infoApache Version 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageGoC++
Server operating systemsLinux
Windows
Linux
macOS
Windows
hosted
Data schemeyesschema-freeyes infoRDF schemasyes
Typing infopredefined data types such as float or dateyesInteger, Float, Boolean, Stringyesyes
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 indexesyesyesyes
SQL infoSupport of SQLyesSQL-like query languagenoyes
APIs and other access methods.Net
JDBC
ODBC
WebSocket
HTTP RESTRESTful HTTP API
SPARQL 1.1
JDBC
ODBC
Supported programming languagesJava
Lua
Python
R
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
C
Java
C
C#
C++
Java
PHP
Python
Ruby
Server-side scripts infoStored proceduresuser defined functionsnoyes
Triggersyesnoyes
Partitioning methods infoMethods for storing different data on different nodesShardingShardingAutomatic sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesreplication via a shared file systemMulti-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyes infoHadoop integrationnono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsImmediate Consistency
Foreign keys infoReferential integrityyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDnoACIDACID
Concurrency infoSupport for concurrent manipulation of datayesyesyes
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.yesyesyesno
User concepts infoAccess controlAccess rights for users, groups and roles according to SQL-standardAdministrators and common users accountsRoles, resources, and access typesUsers with fine-grained authorization concept

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More resources
EXASOLopenGeminiRDFoxTDSQL for MySQL
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