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DBMS > Dgraph vs. NuoDB vs. openGauss vs. TempoIQ

System Properties Comparison Dgraph vs. NuoDB vs. openGauss vs. TempoIQ

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Editorial information provided by DB-Engines
NameDgraph  Xexclude from comparisonNuoDB  Xexclude from comparisonopenGauss  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionDistributed and scalable native Graph DBMSNuoDB is a webscale distributed database that supports SQL and ACID transactionsAn enterprise-class RDBMS compatible with high-performance, high-availability and high-performance originally developed by HuaweiScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelGraph DBMSRelational DBMSRelational DBMSTime Series DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.48
Rank#152  Overall
#12  Graph DBMS
Score0.97
Rank#185  Overall
#88  Relational DBMS
Score0.87
Rank#194  Overall
#93  Relational DBMS
Websitedgraph.ionuodb.comgitee.com/­opengauss
opengauss.org
tempoiq.com (offline)
Technical documentationdgraph.io/­docsdoc.nuodb.comgitee.com/­opengauss/­docs
opengauss.org/­en/­docs/­latest/­docs/­BriefTutorial/­BriefTutorial.html
DeveloperDgraph Labs, Inc.NuoDB, Inc.Huawei and openGauss communityTempoIQ
Initial release2016201320192012
Current release3.0, March 2022
License infoCommercial or Open SourceOpen Source infoApache 2.0commercial infolimited edition freeOpen Sourcecommercial
Cloud-based only infoOnly available as a cloud servicenononoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageGoC++C, C++, Java
Server operating systemsLinux
OS X
Windows
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
Data schemeschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesyesyesyes
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 indexesyesyesyes
SQL infoSupport of SQLnoyesANSI SQL 2011no
APIs and other access methodsGraphQL query language
gRPC (using protocol buffers) API
HTTP API
ADO.NET
JDBC
ODBC
JDBC
ODBC
HTTP API
Supported programming languagesC#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C
C++
Java
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresnoJava, SQLyesno
Triggersnoyesyesyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesyesdata is dynamically stored/cached on the nodes where it is read/writtenhorizontal partitioning (by range, list and hash)
Replication methods infoMethods for redundantly storing data on multiple nodesSynchronous replication via Raftyes infoManaged transparently by NuoDBSource-replica replication
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 dataACIDACID infotunable commit protocolACIDno
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes
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.yes infoTemporary tablenono
User concepts infoAccess controlno infoPlanned for future releasesStandard SQL roles/ privileges, Administrative UsersAccess rights for users, groups and roles according to SQL-standardsimple authentication-based access control

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More resources
DgraphNuoDBopenGaussTempoIQ infoformerly TempoDB
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