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DBMS > CouchDB vs. gStore vs. Microsoft Azure SQL Database vs. Oracle Coherence vs. PouchDB

System Properties Comparison CouchDB vs. gStore vs. Microsoft Azure SQL Database vs. Oracle Coherence vs. PouchDB

Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisongStore  Xexclude from comparisonMicrosoft Azure SQL Database infoformerly SQL Azure  Xexclude from comparisonOracle Coherence  Xexclude from comparisonPouchDB  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A native Graph DBMS to store and maintain very large RDF datasets.Database as a Service offering with high compatibility to Microsoft SQL ServerOracles in-memory data grid solutionJavaScript DBMS with an API inspired by CouchDB
Primary database modelDocument storeGraph DBMS
RDF store
Relational DBMSKey-value storeDocument store
Secondary database modelsSpatial DBMS infousing the Geocouch extensionDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.30
Rank#47  Overall
#7  Document stores
Score0.14
Rank#342  Overall
#34  Graph DBMS
#16  RDF stores
Score76.78
Rank#16  Overall
#11  Relational DBMS
Score1.97
Rank#129  Overall
#22  Key-value stores
Score2.34
Rank#112  Overall
#21  Document stores
Websitecouchdb.apache.orgen.gstore.cnazure.microsoft.com/­en-us/­products/­azure-sql/­databasewww.oracle.com/­java/­coherencepouchdb.com
Technical documentationdocs.couchdb.org/­en/­stableen.gstore.cn/­#/­enDocsdocs.microsoft.com/­en-us/­azure/­azure-sqldocs.oracle.com/­en/­middleware/­standalone/­coherencepouchdb.com/­guides
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerMicrosoftOracleApache Software Foundation
Initial release20052016201020072012
Current release3.3.3, December 20231.2, November 2023V1214.1, August 20237.1.1, June 2019
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoBSDcommercialcommercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonoyesnono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC++C++JavaJavaScript
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
LinuxhostedAll OS with a Java VMserver-less, requires a JavaScript environment (browser, Node.js)
Data schemeschema-freeschema-free and OWL/RDFS-schema supportyesschema-freeschema-free
Typing infopredefined data types such as float or datenoyesyesyesno
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.nonoyesnono
Secondary indexesyes infovia viewsyesnoyes infovia views
SQL infoSupport of SQLnonoyesnono
APIs and other access methodsRESTful HTTP/JSON APIHTTP API
SPARQL 1.1
ADO.NET
JDBC
ODBC
JCache
JPA
RESTful HTTP API
HTTP REST infoonly for PouchDB Server
JavaScript API
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C++
Java
JavaScript (Node.js)
PHP
Python
.Net
C#
Java
JavaScript (Node.js)
PHP
Python
Ruby
.Net
C++
Java
JavaScript
Server-side scripts infoStored proceduresView functions in JavaScriptyesTransact SQLnoView functions in JavaScript
Triggersyesyesyes infoLive Eventsyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0ShardingSharding infowith a proxy-based framework, named couchdb-lounge
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes, with always 3 replicas availableyes, with selectable consistency levelMulti-source replication infoalso with CouchDB databases
Source-replica replication infoalso with CouchDB databases
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Eventual Consistency
Foreign keys infoReferential integritynoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possibleyesACIDconfigurableno
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyesyesyes
Durability infoSupport for making data persistentyesyesyesyes infooptionallyyes infoby using IndexedDB, WebSQL or LevelDB as backend
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nonoyesyes
User concepts infoAccess controlAccess rights for users can be defined per databaseUsers, roles and permissions, Role-Based Access Control (RBAC) supportedfine grained access rights according to SQL-standardauthentification to access the cache via certificates or http basic authenticationno

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CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"gStoreMicrosoft Azure SQL Database infoformerly SQL AzureOracle CoherencePouchDB
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