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DBMS > CouchDB vs. FatDB vs. FoundationDB vs. Kyligence Enterprise vs. SurrealDB

System Properties Comparison CouchDB vs. FatDB vs. FoundationDB vs. Kyligence Enterprise vs. SurrealDB

Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonFatDB  Xexclude from comparisonFoundationDB  Xexclude from comparisonKyligence Enterprise  Xexclude from comparisonSurrealDB  Xexclude from comparison
FatDB/FatCloud has ceased operations as a company with February 2014. FatDB is discontinued and excluded from the ranking.Created as commercial project in 2013, FoundationDB has been acquired by Apple in March 2015 and was withdrawn from the market. As a consequence, the product was removed from the DB-Engines ranking. In April 2018, Apple open-sourced FoundationDB and it therefore reappears in the ranking.
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A .NET NoSQL DBMS that can integrate with and extend SQL Server.Ordered key-value store. Core features are complimented by layers.A distributed analytics engine for big data, built on top of Apache KylinA fully ACID transactional, developer-friendly, multi-model DBMS
Primary database modelDocument storeDocument store
Key-value store
Document store infosupported via specific layer
Key-value store
Relational DBMS infosupported via specific SQL-layer
Relational DBMSDocument store
Graph DBMS
Secondary database modelsSpatial DBMS infousing the Geocouch extension
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score8.30
Rank#47  Overall
#7  Document stores
Score1.06
Rank#185  Overall
#31  Document stores
#28  Key-value stores
#85  Relational DBMS
Score0.46
Rank#266  Overall
#124  Relational DBMS
Score1.02
Rank#190  Overall
#33  Document stores
#18  Graph DBMS
Websitecouchdb.apache.orggithub.com/­apple/­foundationdbkyligence.io/­kyligence-enterprisesurrealdb.com
Technical documentationdocs.couchdb.org/­en/­stableapple.github.io/­foundationdbsurrealdb.com/­docs
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerFatCloudFoundationDBKyligence, Inc.SurrealDB Ltd
Initial release20052012201320162022
Current release3.3.3, December 20236.2.28, November 2020v1.5.0, May 2024
License infoCommercial or Open SourceOpen Source infoApache version 2commercialOpen Source infoApache 2.0commercialOpen Source
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC#C++JavaRust
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
WindowsLinux
OS X
Windows
LinuxLinux
macOS
Windows
Data schemeschema-freeschema-freeschema-free infosome layers support schemasyesschema-free
Typing infopredefined data types such as float or datenoyesno infosome layers support typingyesyes
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.nono
Secondary indexesyes infovia viewsyesnoyes
SQL infoSupport of SQLnono infoVia inetgration in SQL Serversupported in specific SQL layer onlyANSI SQL for queries (using Apache Calcite)SQL-like query language
APIs and other access methodsRESTful HTTP/JSON API.NET Client API
LINQ
RESTful HTTP API
RPC
Windows WCF Bindings
JDBC
ODBC
RESTful HTTP API
GraphQL
RESTful HTTP API
WebSocket
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C#.Net
C
C++
Go
Java
JavaScript infoNode.js
PHP
Python
Ruby
Swift
Deno
Go
JavaScript (Node.js)
Rust
Server-side scripts infoStored proceduresView functions in JavaScriptyes infovia applicationsin SQL-layer only
Triggersyesyes infovia applicationsno
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0ShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
selectable replication factoryes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyEventual Consistency
Immediate Consistency
Linearizable consistencyImmediate Consistency
Foreign keys infoReferential integritynonoin SQL-layer only
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possiblenoACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyesyesyesyes
Durability infoSupport for making data persistentyesyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.nono
User concepts infoAccess controlAccess rights for users can be defined per databaseno infoCan implement custom security layer via applicationsnoyes, based on authentication and database rules

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More resources
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"FatDBFoundationDBKyligence EnterpriseSurrealDB
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