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DBMS > Dgraph vs. MaxDB vs. NuoDB vs. openGemini

System Properties Comparison Dgraph vs. MaxDB vs. NuoDB vs. openGemini

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Editorial information provided by DB-Engines
NameDgraph  Xexclude from comparisonMaxDB infoformerly named Adabas-D  Xexclude from comparisonNuoDB  Xexclude from comparisonopenGemini  Xexclude from comparison
DescriptionDistributed and scalable native Graph DBMSA robust and reliable RDBMS optimized to run all major SAP solutionsNuoDB is a webscale distributed database that supports SQL and ACID transactionsAn open source distributed Time Series DBMS with high concurrency, high performance, and high scalability
Primary database modelGraph DBMSRelational DBMSRelational DBMSTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.53
Rank#152  Overall
#15  Graph DBMS
Score2.26
Rank#114  Overall
#55  Relational DBMS
Score0.94
Rank#197  Overall
#92  Relational DBMS
Score0.09
Rank#361  Overall
#37  Time Series DBMS
Websitedgraph.iomaxdb.sap.comwww.3ds.com/­nuodb-distributed-sql-databasewww.opengemini.org
github.com/­openGemini
Technical documentationdgraph.io/­docsmaxdb.sap.com/­documentationdoc.nuodb.comdocs.opengemini.org/­guide
DeveloperDgraph Labs, Inc.SAP, acquired from Software AG (Adabas-D) in 1997Dassault Systèmes infooriginally NuoDB, Inc.Huawei and openGemini community
Initial release2016198420132022
Current release7.9.10.12, February 20241.1, July 2023
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infoLimited community edition freecommercial infolimited edition freeOpen Source infoApache Version 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++C++Go
Server operating systemsLinux
OS X
Windows
AIX
HP-UX
Linux
Solaris
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
Windows
Data schemeschema-freeyesyesschema-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 SQLnoyesyesSQL-like query language
APIs and other access methodsGraphQL query language
gRPC (using protocol buffers) API
HTTP API
ADO.NET
JDBC
ODBC
WebDAV
ADO.NET
JDBC
ODBC
HTTP REST
Supported programming languagesC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C#
Java
Perl
PHP
Python
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C
C++
Go
Java
JavaScript (Node.js)
Python
Rust
Server-side scripts infoStored proceduresnoyesJava, SQLno
Triggersnoyesyesno
Partitioning methods infoMethods for storing different data on different nodesyesnonedata is dynamically stored/cached on the nodes where it is read/writtenSharding
Replication methods infoMethods for redundantly storing data on multiple nodesSynchronous replication via RaftSource-replica replicationyes infoManaged transparently by NuoDByes
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACIDACID infotunable commit protocolno
Concurrency infoSupport for concurrent manipulation of datayesyesyes infoMVCCyes
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.noyes infoTemporary tableyes
User concepts infoAccess controlno infoPlanned for future releasesfine grained access rights according to SQL-standardStandard SQL roles/ privileges, Administrative UsersAdministrators and common users accounts

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More resources
DgraphMaxDB infoformerly named Adabas-DNuoDBopenGemini
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