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DBMS > openGemini vs. OushuDB vs. UniData,UniVerse

System Properties Comparison openGemini vs. OushuDB vs. UniData,UniVerse

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Editorial information provided by DB-Engines
NameopenGemini  Xexclude from comparisonOushuDB  Xexclude from comparisonUniData,UniVerse  Xexclude from comparison
DescriptionAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalabilityA data warehouse powered by Apache HAWQ supporting descriptive analysis and advanced machine learningMultiValue database and application server with SQL mapping layer and meta database capabilities
Primary database modelTime Series DBMSRelational DBMSMultivalue DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.04
Rank#366  Overall
#39  Time Series DBMS
Score0.04
Rank#365  Overall
#153  Relational DBMS
Score1.97
Rank#115  Overall
#2  Multivalue DBMS
Websitewww.opengemini.org
github.com/­openGemini
www.oushu.com/­product/­oushuDBwww.rocketsoftware.com/­products/­rocket-multivalue-application-development-platform/­rocket-unidata
Technical documentationdocs.opengemini.org/­guidewww.oushu.com/­documentationdocs.rocketsoftware.com/­bundle?cluster=true&labelkey=unidata&labelkey=prod_unidata
DeveloperHuawei and openGemini communityOushuRocket Software
Initial release20221985
Current release1.1, July 20234.0.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercialcommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC
Server operating systemsLinux
Windows
LinuxAIX
HP-UX
Linux
Solaris
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or dateInteger, Float, Boolean, Stringyesoptional
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.no
Secondary indexesyesyesyes
SQL infoSupport of SQLSQL-like query languageFull-featured ANSI SQL supportyes
APIs and other access methodsHTTP RESTJDBC
ODBC
Java API infoJPA
JDBC
ODBC
OLE DB
Proprietary protocol
RESTful HTTP API
SOAP-based API
Supported programming languagesC
C++
Go
Java
JavaScript (Node.js)
Python
Rust
C
C++
.Net
Basic infoU2 Basic
C
Java
Server-side scripts infoStored proceduresnoyesyes
Triggersnoyesyes infoU2 Basic
Partitioning methods infoMethods for storing different data on different nodesShardingyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesyesSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoHadoop integrationno
Foreign keys infoReferential integritynono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACIDACID infoconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yes
User concepts infoAccess controlAdministrators and common users accountsKerberos, SSL and role based accessAccess rights according to SQL-standard and operating system based

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More resources
openGeminiOushuDBUniData,UniVerse
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