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DBMS > CouchDB vs. H2GIS vs. Memcached vs. OceanBase vs. RethinkDB

System Properties Comparison CouchDB vs. H2GIS vs. Memcached vs. OceanBase vs. RethinkDB

Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonH2GIS  Xexclude from comparisonMemcached  Xexclude from comparisonOceanBase  Xexclude from comparisonRethinkDB  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Spatial extension of H2In-memory key-value store, originally intended for cachingA distributed, high available RDBMS compatible with Oracle and MySQLDBMS for the Web with a mechanism to push updated query results to applications in realtime.
Primary database modelDocument storeSpatial DBMSKey-value storeRelational DBMSDocument store
Secondary database modelsSpatial DBMS infousing the Geocouch extensionRelational DBMSDocument store
Wide column store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.30
Rank#45  Overall
#7  Document stores
Score0.00
Rank#383  Overall
#7  Spatial DBMS
Score19.42
Rank#32  Overall
#4  Key-value stores
Score1.66
Rank#147  Overall
#68  Relational DBMS
Score2.74
Rank#105  Overall
#19  Document stores
Websitecouchdb.apache.orgwww.h2gis.orgwww.memcached.orgen.oceanbase.comrethinkdb.com
Technical documentationdocs.couchdb.org/­en/­stablewww.h2gis.org/­docs/­homegithub.com/­memcached/­memcached/­wikien.oceanbase.com/­docs/­oceanbase-databaserethinkdb.com/­docs
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerCNRSDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOceanBase infopreviously Alibaba and Ant GroupThe Linux Foundation infosince July 2017
Initial release20052013200320102009
Current release3.3.3, December 20231.6.27, May 20244.3.0, April 20242.4.1, August 2020
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoLGPL 3.0Open Source infoBSD licenseOpen Source infoCommercial license availableOpen Source infoApache Version 2
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageErlangJavaCC++C++
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
FreeBSD
Linux
OS X
Unix
Windows
LinuxLinux
OS X
Windows
Data schemeschema-freeyesschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesnoyesyes infostring, binary, float, bool, date, geometry
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.nonoyesno
Secondary indexesyes infovia viewsyesnoyesyes
SQL infoSupport of SQLnoyesnoyesno
APIs and other access methodsRESTful HTTP/JSON APIProprietary protocolJDBC
ODBC
ODP.NET
Oracle Call Interface (OCI)
Proprietary native API
Table API
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
Java.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Ada infoin MySQL-compatible model
C infoin Oracle- and MySQL- compatible models
C++ infoin Oracle- and MySQL- compatible models
D infoin MySQL-compatible model
Delphi infoin MySQL-compatible model
Eiffel infoin MySQL-compatible model
Erlang infoin MySQL-compatible model
Haskell infoin MySQL-compatible model
Java infoin Oracle- and MySQL- compatible models
JavaScript (Node.js) infoin MySQL-compatible model
Objective-C infoin MySQL-compatible model
OCaml infoin MySQL-compatible model
Perl infoin MySQL-compatible model
PHP infoin MySQL-compatible model
Python infoin MySQL-compatible model
Ruby infoin MySQL-compatible model
Scheme infoin MySQL-compatible model
Tcl infoin MySQL-compatible model
C infocommunity-supported driver
C# infocommunity-supported driver
C++ infocommunity-supported driver
Clojure infocommunity-supported driver
Dart infocommunity-supported driver
Erlang infocommunity-supported driver
Go infocommunity-supported driver
Haskell infocommunity-supported driver
Java infoofficial driver
JavaScript (Node.js) infoofficial driver
Lisp infocommunity-supported driver
Lua infocommunity-supported driver
Objective-C infocommunity-supported driver
Perl infocommunity-supported driver
PHP infocommunity-supported driver
Python infoofficial driver
Ruby infoofficial driver
Scala infocommunity-supported driver
Server-side scripts infoStored proceduresView functions in JavaScriptyes infobased on H2noPL/SQL in oracle-compatible mode, MySQL Stored Procedure in mysql-compatible mode
TriggersyesyesnoyesClient-side triggers through changefeeds
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0nonenonehorizontal partitioning (by hash, key, range, range columns, list, and list columns)Sharding inforange based
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yes infobased on H2none infoRepcached, a Memcached patch, provides this functionallityMulti-source replication using PaxosSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononoyes
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyesnoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possibleACIDnoACIDAtomic single-document operations
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyes, multi-version concurrency control (MVCC)yesyesyes infoMVCC based
Durability infoSupport for making data persistentyesyesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesno
User concepts infoAccess controlAccess rights for users can be defined per databaseyes infobased on H2yes infousing SASL (Simple Authentication and Security Layer) protocolAccess rights for users, groups and roles according to SQL-standardyes infousers and table-level permissions

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CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"H2GISMemcachedOceanBaseRethinkDB
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