DBMS > CouchDB vs. MySQL vs. RethinkDB

System Properties Comparison CouchDB vs. MySQL vs. RethinkDB

Please select another system to include it in the comparison.

Editorial information provided by DB-Engines

Name

Description

A native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.

Widely used open source RDBMS

DBMS for the Web with a mechanism to push updated query results to applications in realtime.

Primary database model

Document store

Relational DBMS info

Key/Value like access via memcached API

Document store

Secondary database models

Document store

DB-Engines Ranking measures the popularity of database management systems
Trend Chart

Score	17.25
Rank	#35	Overall
	#5	Document stores

Score	1241.64
Rank	#2	Overall
	#2	Relational DBMS

Score	4.05
Rank	#84	Overall
	#14	Document stores

Website

couchdb.apache.org

www.mysql.com

rethinkdb.com

Technical documentation

docs.couchdb.org/en/stable

dev.mysql.com/doc

rethinkdb.com/docs

Developer

Apache Software Foundation info

Apache top-level project, originally developed by Damien Katz, a former Lotus Notes developer

Oracle

since 2010, originally MySQL AB, then Sun

The Linux Foundation info

since July 2017

Initial release

2005

1995

2009

Current release

3.0, February 2020

8.0.22, 2020

2.4.0, December 2019

License

Commercial or Open Source

Open Source info

Apache version 2

Open Source info

GPL version 2. Commercial licenses with extended functionallity are available

Open Source info

Apache Version 2

Cloud-based only info

Only available as a cloud service

DBaaS offerings (sponsored links) info

Database as a Service

Providers of DBaaS offerings, please contact us to be listed.

ScaleGrid for MySQL: Fully managed MySQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.

Implementation language

Erlang

C and C++

C++

Server operating systems

Android
BSD
Linux
OS X
Solaris
Windows

FreeBSD
Linux
OS X
Solaris
Windows

Linux
OS X
Windows

Data scheme

schema-free

yes

schema-free

Typing

predefined data types such as float or date

yes

string, binary, float, bool, date, geometry

XML support info

Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.

yes

Secondary indexes

yes

via views

yes

SQL

Support of SQL

yes

with proprietary extensions

APIs and other access methods

RESTful HTTP/JSON API

ADO.NET
JDBC
ODBC
Proprietary native API

Supported programming languages

C
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk

Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl

community-supported driver
C# info

community-supported driver
C++ info

community-supported driver
Clojure info

community-supported driver
Dart info

community-supported driver
Erlang info

community-supported driver
Go info

community-supported driver
Haskell info

community-supported driver
Java info

official driver
JavaScript (Node.js) info

official driver
Lisp info

community-supported driver
Lua info

community-supported driver
Objective-C info

community-supported driver
Perl info

community-supported driver
PHP info

community-supported driver
Python info

official driver
Ruby info

official driver
Scala info

community-supported driver

Server-side scripts info

Stored procedures

View functions in JavaScript

yes

proprietary syntax

Triggers

yes

Client-side triggers through changefeeds

Partitioning methods info

Methods for storing different data on different nodes

Sharding

improved architecture with release 2.0

horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric

Sharding

range based

Replication methods info

Methods for redundantly storing data on multiple nodes

Multi-source replication
Source-replica replication

Source-replica replication

MapReduce

Offers an API for user-defined Map/Reduce methods

yes

Consistency concepts info

Methods to ensure consistency in a distributed system

Eventual Consistency

Immediate Consistency

Foreign keys info

Referential integrity

yes

not for MyISAM storage engine

Transaction concepts info

Support to ensure data integrity after non-atomic manipulations of data

atomic operations within a single document possible

ACID

not for MyISAM storage engine

Atomic single-document operations

Concurrency info

Support for concurrent manipulation of data

yes

strategy: optimistic locking

yes

table locks or row locks depending on storage engine

yes

MVCC based

Durability info

Support for making data persistent

yes

In-memory capabilities info

Is there an option to define some or all structures to be held in-memory only.

yes

User concepts info

Access control

Access rights for users can be defined per database

Users with fine-grained authorization concept info

no user groups or roles

yes

users and table-level permissions

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.