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DBMS > etcd vs. NuoDB vs. Oracle Coherence vs. TerminusDB

System Properties Comparison etcd vs. NuoDB vs. Oracle Coherence vs. TerminusDB

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Editorial information provided by DB-Engines
Nameetcd  Xexclude from comparisonNuoDB  Xexclude from comparisonOracle Coherence  Xexclude from comparisonTerminusDB infoformer name was DataChemist  Xexclude from comparison
DescriptionA distributed reliable key-value storeNuoDB is a webscale distributed database that supports SQL and ACID transactionsOracles in-memory data grid solutionScalable Graph Database platform making enterprise data available by exploiting inferred entities and relationships
Primary database modelKey-value storeRelational DBMSKey-value storeGraph DBMS
Secondary database modelsDocument store
RDF store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score7.25
Rank#54  Overall
#5  Key-value stores
Score0.89
Rank#198  Overall
#92  Relational DBMS
Score1.92
Rank#130  Overall
#22  Key-value stores
Score0.17
Rank#325  Overall
#29  Graph DBMS
Websiteetcd.io
github.com/­etcd-io/­etcd
www.3ds.com/­nuodb-distributed-sql-databasewww.oracle.com/­java/­coherenceterminusdb.com
Technical documentationetcd.io/­docs
github.com/­etcd-io/­etcd/­tree/­master/­Documentation
doc.nuodb.comdocs.oracle.com/­en/­middleware/­standalone/­coherenceterminusdb.github.io/­terminusdb/­#
DeveloperDassault Systèmes infooriginally NuoDB, Inc.OracleDataChemist Ltd.
Initial release201320072018
Current release3.4, August 201914.1, August 202311.0.0, January 2023
License infoCommercial or Open SourceOpen Source infoApache Version 2.0commercial infolimited edition freecommercialOpen Source infoGPL V3
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++JavaProlog, Rust
Server operating systemsFreeBSD
Linux
Windows infoexperimental
hosted infoAmazon EC2, Windows Azure, SoftLayer
Linux
OS X
Windows
All OS with a Java VMLinux
Data schemeschema-freeyesschema-freeyes
Typing infopredefined data types such as float or datenoyesyesyes
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 indexesnoyesno
SQL infoSupport of SQLnoyesnoSQL-like query language (WOQL)
APIs and other access methodsgRPC
JSON over HTTP
ADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
OWL
RESTful HTTP API
WOQL (Web Object Query Language)
Supported programming languages.Net
C
C++
Clojure
Erlang
Go
Haskell
Java
JavaScript (Node.js)
Perl
PHP
Python
R
Ruby
Rust
Scala
Tcl
.Net
C
C++
Go
Java
JavaScript
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C++
Java
JavaScript
Python
Server-side scripts infoStored proceduresnoJava, SQLnoyes
Triggersyes, watching key changesyesyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesdata is dynamically stored/cached on the nodes where it is read/writtenShardingGraph Partitioning
Replication methods infoMethods for redundantly storing data on multiple nodesUsing Raft consensus algorithm to ensure data replication with strong consistency among multiple replicas.yes infoManaged transparently by NuoDByes, with selectable consistency levelJournaling Streams
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infotunable commit protocolconfigurableACID
Concurrency infoSupport for concurrent manipulation of datayesyes infoMVCCyesyes
Durability infoSupport for making data persistentyesyesyes infooptionallyyes infoin-memory journaling
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 controlnoStandard SQL roles/ privileges, Administrative Usersauthentification to access the cache via certificates or http basic authenticationRole-based access control

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More resources
etcdNuoDBOracle CoherenceTerminusDB infoformer name was DataChemist
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