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DBMS > IRONdb vs. NuoDB vs. TerminusDB

System Properties Comparison IRONdb vs. NuoDB vs. TerminusDB

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Editorial information provided by DB-Engines
NameIRONdb  Xexclude from comparisonNuoDB  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
IRONdb seems to be discontinued. Therefore it is excluded from the DB-Engines Ranking.
DescriptionA distributed Time Series DBMS with a focus on scalability, fault tolerance and operational simplicityNuoDB is a webscale distributed database that supports SQL and ACID transactionsScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelTime Series DBMSRelational DBMSGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score0.99
Rank#195  Overall
#92  Relational DBMS
Score0.22
Rank#323  Overall
#28  Graph DBMS
Websitewww.circonus.com/solutions/time-series-database/www.3ds.com/­nuodb-distributed-sql-databaseterminusdb.com
Technical documentationdocs.circonus.com/irondb/category/getting-starteddoc.nuodb.comterminusdb.github.io/­terminusdb/­#
DeveloperCirconus LLC.Dassault Systèmes infooriginally NuoDB, Inc.DataChemist Ltd.
Initial release201720132018
Current releaseV0.10.20, January 201811.0.0, January 2023
License infoCommercial or Open Sourcecommercialcommercial infolimited edition freeOpen Source infoGPL V3
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC and C++C++Prolog, Rust
Server operating systemsLinuxhosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
Linux
Data schemeschema-freeyesyes
Typing infopredefined data types such as float or dateyes infotext, numeric, histogramsyesyes
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 indexesnoyes
SQL infoSupport of SQLSQL-like query language (Circonus Analytics Query Language: CAQL)yesSQL-like query language (WOQL)
APIs and other access methodsHTTP APIADO.NET
JDBC
ODBC
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript
JavaScript (Node.js)
Lisp
Lua
Perl
PHP
Python
R
Ruby
Rust
Scala
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
JavaScript
Python
Server-side scripts infoStored proceduresyes, in LuaJava, SQLyes
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesAutomatic, metric affinity per nodedata is dynamically stored/cached on the nodes where it is read/writtenGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesconfigurable replication factor, datacenter awareyes infoManaged transparently by NuoDBJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate consistency per node, eventual consistency across nodesImmediate Consistency
Foreign keys infoReferential integritynoyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infotunable commit protocolACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyes
Durability infoSupport for making data persistentyesyesyes infoin-memory journaling
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyes infoTemporary table
User concepts infoAccess controlnoStandard SQL roles/ privileges, Administrative UsersRole-based access control

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More resources
IRONdbNuoDBTerminusDB infoformer name was DataChemist
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