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DBMS > HarperDB vs. NuoDB vs. RDFox vs. Sequoiadb

System Properties Comparison HarperDB vs. NuoDB vs. RDFox vs. Sequoiadb

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Editorial information provided by DB-Engines
NameHarperDB  Xexclude from comparisonNuoDB  Xexclude from comparisonRDFox  Xexclude from comparisonSequoiadb  Xexclude from comparison
DescriptionUltra-low latency distributed database with an intuitive REST API supporting NoSQL and SQL (including joins). Deployment of functions and databases simultaneously with a consolidated node-level architecture.NuoDB is a webscale distributed database that supports SQL and ACID transactionsHigh performance knowledge graph and semantic reasoning engineNewSQL database with distributed OLTP and SQL
Primary database modelDocument storeRelational DBMSGraph DBMS
RDF store
Document store
Relational DBMS
Secondary database modelsRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.60
Rank#244  Overall
#38  Document stores
Score0.94
Rank#197  Overall
#92  Relational DBMS
Score0.29
Rank#300  Overall
#24  Graph DBMS
#13  RDF stores
Score0.50
Rank#258  Overall
#41  Document stores
#120  Relational DBMS
Websitewww.harperdb.iowww.3ds.com/­nuodb-distributed-sql-databasewww.oxfordsemantic.techwww.sequoiadb.com
Technical documentationdocs.harperdb.io/­docsdoc.nuodb.comdocs.oxfordsemantic.techwww.sequoiadb.com/­en/­index.php?m=Files&a=index
DeveloperHarperDBDassault Systèmes infooriginally NuoDB, Inc.Oxford Semantic TechnologiesSequoiadb Ltd.
Initial release2017201320172013
Current release3.1, August 20216.0, Septermber 2022
License infoCommercial or Open Sourcecommercial infofree community edition availablecommercial infolimited edition freecommercialOpen Source infoServer: AGPL; Client: Apache V2
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 languageNode.jsC++C++C++
Server operating systemsLinux
OS X
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
macOS
Windows
Linux
Data schemedynamic schemayesyes infoRDF schemasschema-free
Typing infopredefined data types such as float or dateyes infoJSON data typesyesyesyes infooid, date, timestamp, binary, regex
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 SQLSQL-like data manipulation statementsyesnoSQL-like query language
APIs and other access methodsJDBC
ODBC
React Hooks
RESTful HTTP/JSON API
WebSocket
ADO.NET
JDBC
ODBC
RESTful HTTP API
SPARQL 1.1
proprietary protocol using JSON
Supported programming languages.Net
C
C#
C++
ColdFusion
D
Dart
Delphi
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Lisp
MatLab
Objective C
Perl
PHP
PowerShell
Prolog
Python
R
Ruby
Rust
Scala
Swift
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
C
Java
.Net
C++
Java
PHP
Python
Server-side scripts infoStored proceduresCustom Functions infosince release 3.1Java, SQLJavaScript
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodesA table resides as a whole on one (or more) nodes in a clusterdata is dynamically stored/cached on the nodes where it is read/writtenSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyes infothe nodes on which a table resides can be definedyes infoManaged transparently by NuoDBreplication via a shared file systemSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency in stand-alone mode, Eventual Consistency in replicated setupsEventual Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataAtomic execution of specific operationsACID infotunable commit protocolACIDDocument is locked during a transaction
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyes
Durability infoSupport for making data persistentyes, using LMDByesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes infoTemporary tableyesno
User concepts infoAccess controlAccess rights for users and rolesStandard SQL roles/ privileges, Administrative UsersRoles, resources, and access typessimple password-based access control

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More resources
HarperDBNuoDBRDFoxSequoiadb
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