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DBMS > DolphinDB vs. mSQL vs. openGauss vs. openGemini

System Properties Comparison DolphinDB vs. mSQL vs. openGauss vs. openGemini

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Editorial information provided by DB-Engines
NameDolphinDB  Xexclude from comparisonmSQL infoMini SQL  Xexclude from comparisonopenGauss  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionDolphinDB is a high performance Time Series DBMS. It is integrated with an easy-to-use fully featured programming language and a high-volume high-velocity streaming analytics system. It offers operational simplicity, scalability, fault tolerance, and concurrency.mSQL (Mini SQL) is a simple and lightweight RDBMSAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelTime Series DBMSRelational DBMSRelational DBMSTime Series DBMS
Secondary database modelsRelational DBMSDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score4.03
Rank#78  Overall
#6  Time Series DBMS
Score1.27
Rank#169  Overall
#76  Relational DBMS
Score1.06
Rank#184  Overall
#84  Relational DBMS
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Websitewww.dolphindb.comhughestech.com.au/­products/­msqlgitee.com/­opengauss
opengauss.org
www.opengemini.org
github.com/­openGemini
Technical documentationdocs.dolphindb.cn/­en/­help200/­index.htmldocs.opengauss.org/­en
gitee.com/­opengauss/­docs
docs.opengemini.org/­guide
DeveloperDolphinDB, IncHughes TechnologiesHuawei and openGauss communityHuawei and openGemini community
Initial release2018199420192022
Current releasev2.00.4, January 20224.4, October 20213.0, March 20221.1, July 2023
License infoCommercial or Open Sourcecommercial infofree community version availablecommercial infofree licenses can be providedOpen SourceOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++CC, C++, JavaGo
Server operating systemsLinux
Windows
AIX
HP-UX
Linux
OS X
Solaris SPARC/x86
Windows
LinuxLinux
Windows
Data schemeyesyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesInteger, Float, Boolean, String
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 indexesyesyesyesyes
SQL infoSupport of SQLSQL-like query languageA subset of ANSI SQL is implemented infono subqueries, aggregate functions, views, foreign keys, triggersANSI SQL 2011SQL-like query language
APIs and other access methodsJDBC
JSON over HTTP
Kafka
MQTT (Message Queue Telemetry Transport)
ODBC
OPC DA
OPC UA
RabbitMQ
WebSocket
JDBC
ODBC
JDBC
ODBC
HTTP REST
Supported programming languagesC#
C++
Go
Java
JavaScript
MatLab
Python
R
Rust
C
C++
Delphi
Java
Perl
PHP
Tcl
C
C++
Java
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresyesnoyesno
Triggersnonoyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioningnonehorizontal partitioning (by range, list and hash)Sharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesnoneSource-replica replicationyes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencynoneImmediate Consistency
Foreign keys infoReferential integritynonoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesnoACIDno
Concurrency infoSupport for concurrent manipulation of datayesnoyesyes
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 controlAdministrators, Users, GroupsnoAccess rights for users, groups and roles according to SQL-standardAdministrators and common users accounts

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More resources
DolphinDBmSQL infoMini SQLopenGaussopenGemini
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