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DBMS > ClickHouse vs. CouchDB vs. MySQL

System Properties Comparison ClickHouse vs. CouchDB vs. MySQL

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Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonMySQL  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Widely used open source RDBMS
Primary database modelRelational DBMSDocument storeRelational DBMS infoKey/Value like access via memcached API
Secondary database modelsTime Series DBMSSpatial DBMS infousing the Geocouch extensionDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score9.59
Rank#46  Overall
#29  Relational DBMS
Score15.92
Rank#39  Overall
#6  Document stores
Score1228.38
Rank#2  Overall
#2  Relational DBMS
Websiteclickhouse.techcouchdb.apache.orgwww.mysql.com
Technical documentationclickhouse.tech/­docsdocs.couchdb.org/­en/­stabledev.mysql.com/­doc
DeveloperYandex LLCApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerOracle infosince 2010, originally MySQL AB, then Sun
Initial release201620051995
Current releasev20.11.3.3-stable, November 20203.1.1, September 20208.0.25, May 2021
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache version 2Open Source infoGPL version 2. Commercial licenses with extended functionallity are available
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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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 languageC++ErlangC and C++
Server operating systemsFreeBSD
Linux
macOS
Android
BSD
Linux
OS X
Solaris
Windows
FreeBSD
Linux
OS X
Solaris
Windows
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes
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.nonoyes
Secondary indexesnoyes infovia viewsyes
SQL infoSupport of SQLClose to ANSI SQLnoyes infowith proprietary extensions
APIs and other access methodsHTTP REST
JDBC
ODBC
Proprietary protocol
RESTful HTTP/JSON APIADO.NET
JDBC
ODBC
Proprietary native API
Supported programming languagesC# info3rd party library
C++
Elixir info3rd party library
Go info3rd party library
Java info3rd party library
JavaScript (Node.js) info3rd party library
Kotlin info3rd party library
Nim info3rd party library
Perl info3rd party library
PHP info3rd party library
Python info3rd party library
R info3rd party library
Ruby info3rd party library
Scala info3rd party library
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
Server-side scripts infoStored proceduresnoView functions in JavaScriptyes infoproprietary syntax
Triggersnoyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0horizontal partitioning, sharding with MySQL Cluster or MySQL Fabric
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Multi-source replication
Source-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes infonot for MyISAM storage engine
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single document possibleACID infonot for MyISAM storage engine
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyes infotable locks or row locks depending on storage engine
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesnoyes
User concepts infoAccess controlAccess rights for users and rolesAccess rights for users can be defined per databaseUsers with fine-grained authorization concept infono user groups or roles

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More resources
ClickHouseCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"MySQL
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Recent citations in the news

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