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DBMS > ClickHouse vs. CouchDB vs. Dgraph vs. Firebase Realtime Database vs. JSqlDb

System Properties Comparison ClickHouse vs. CouchDB vs. Dgraph vs. Firebase Realtime Database vs. JSqlDb

Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonDgraph  Xexclude from comparisonFirebase Realtime Database  Xexclude from comparisonJSqlDb  Xexclude from comparison
JSqlDB seems to be discontinued. Therefore it is excluded from the DB-Engines ranking.
DescriptionColumn-oriented Relational DBMS powering YandexA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Distributed and scalable native Graph DBMSCloud-hosted realtime document store. iOS, Android, and JavaScript clients share one Realtime Database instance and automatically receive updates with the newest data.JavaScript Query Language Database, stores JavaScript objects and primitives
Primary database modelRelational DBMSDocument storeGraph DBMSDocument storeDocument store
Object oriented DBMS
Secondary database modelsTime Series DBMSSpatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score13.87
Rank#44  Overall
#28  Relational DBMS
Score16.25
Rank#41  Overall
#7  Document stores
Score1.62
Rank#151  Overall
#12  Graph DBMS
Score20.13
Rank#37  Overall
#6  Document stores
Websiteclickhouse.techcouchdb.apache.orgdgraph.iofirebase.google.com/­products/­realtime-databasejsqldb.org (offline)
Technical documentationclickhouse.tech/­docsdocs.couchdb.org/­en/­stabledgraph.io/­docsfirebase.google.com/­docs/­database
DeveloperClickhouse Inc.Apache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerDgraph Labs, Inc.Google infoacquired by Google 2014Konrad von Backstrom
Initial release20162005201620122018
Current releasev22.8.5.29-lts, September 20223.2.2, April 20220.8, December 2018
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache version 2Open Source infoApache 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenononoyesno
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++ErlangGo
Server operating systemsFreeBSD
Linux
macOS
Android
BSD
Linux
OS X
Solaris
Windows
Linux
OS X
Windows
hostedLinux
macOS
Windows
Data schemeyesschema-freeschema-freeschema-freeschema-free
Typing infopredefined data types such as float or dateyesnoyesyesno
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.nonononono
Secondary indexesyes, when using the MergeTree engineyes infovia viewsyesyesno
SQL infoSupport of SQLClose to ANSI SQLnononono
APIs and other access methodsHTTP REST
JDBC
ODBC
Proprietary protocol
RESTful HTTP/JSON APIGraphQL query language
gRPC (using protocol buffers) API
HTTP API
Android
iOS
JavaScript API
RESTful HTTP 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
C#
C++
Go
Java
JavaScript (Node.js)
PHP
Python
Ruby
Java
JavaScript
Objective-C
JavaScript
Server-side scripts infoStored proceduresnoView functions in JavaScriptnolimited functionality with using 'rules'functions in JavaScript
TriggersnoyesnoCallbacks are triggered when data changesno
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0yesnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
Synchronous replication via Raftnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual ConsistencyImmediate ConsistencyEventual Consistency infoif the client is offline
Immediate Consistency infoif the client is online
Foreign keys infoReferential integritynonononono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanono infoatomic operations within a single document possibleACIDyes
Concurrency infoSupport for concurrent manipulation of datayesyes infostrategy: optimistic lockingyesyes
Durability infoSupport for making data persistentyesyesyesyesyes infousing RocksDB
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights for users and rolesAccess rights for users can be defined per databaseno infoPlanned for future releasesyes, based on authentication and database rules

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More resources
ClickHouseCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"DgraphFirebase Realtime DatabaseJSqlDb
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