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DBMS > CouchDB vs. DuckDB vs. HyperSQL vs. KairosDB vs. LMDB

System Properties Comparison CouchDB vs. DuckDB vs. HyperSQL vs. KairosDB vs. LMDB

Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonDuckDB  Xexclude from comparisonHyperSQL infoalso known as HSQLDB  Xexclude from comparisonKairosDB  Xexclude from comparisonLMDB  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.An embeddable, in-process, column-oriented SQL OLAP RDBMSMultithreaded, transactional RDBMS written in Java infoalso known as HSQLDBDistributed Time Series DBMS based on Cassandra or H2A high performant, light-weight, embedded key-value database library
Primary database modelDocument storeRelational DBMSRelational DBMSTime Series DBMSKey-value store
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
Score4.63
Rank#69  Overall
#37  Relational DBMS
Score3.23
Rank#93  Overall
#48  Relational DBMS
Score0.67
Rank#233  Overall
#20  Time Series DBMS
Score2.09
Rank#121  Overall
#20  Key-value stores
Websitecouchdb.apache.orgduckdb.orghsqldb.orggithub.com/­kairosdb/­kairosdbwww.symas.com/­symas-embedded-database-lmdb
Technical documentationdocs.couchdb.org/­en/­stableduckdb.org/­docshsqldb.org/­web/­hsqlDocsFrame.htmlkairosdb.github.iowww.lmdb.tech/­doc
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerSymas
Initial release20052018200120132011
Current release3.3.3, December 20231.0.0, June 20242.7.2, June 20231.2.2, November 20180.9.32, January 2024
License infoCommercial or Open SourceOpen Source infoApache version 2Open Source infoMIT LicenseOpen Source infobased on BSD licenseOpen Source infoApache 2.0Open Source
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC++JavaJavaC
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
server-lessAll OS with a Java VM infoEmbedded (into Java applications) and Client-Server operating modesLinux
OS X
Windows
Linux
Unix
Windows
Data schemeschema-freeyesyesschema-freeschema-free
Typing infopredefined data types such as float or datenoyesyesyes
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 infovia viewsyesyesnono
SQL infoSupport of SQLnoyesyesnono
APIs and other access methodsRESTful HTTP/JSON APIArrow Database Connectivity (ADBC)
CLI Client
JDBC
ODBC
HTTP API infoJDBC via HTTP
JDBC
ODBC
Graphite protocol
HTTP REST
Telnet API
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C
C# info3rd party driver
C++
Crystal info3rd party driver
Go info3rd party driver
Java
Lisp info3rd party driver
Python
R
Ruby info3rd party driver
Rust
Swift
Zig info3rd party driver
All languages supporting JDBC/ODBC
Java
Java
JavaScript infoNode.js
PHP
Python
.Net
C
C++
Clojure
Go
Haskell
Java
JavaScript (Node.js)
Lisp
Lua
MatLab
Nim
Objective C
OCaml
Perl
PHP
Python
R
Ruby
Rust
Swift
Tcl
Server-side scripts infoStored proceduresView functions in JavaScriptnoJava, SQLnono
Triggersyesnoyesnono
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0nonenoneSharding infobased on Cassandranone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
nonenoneselectable replication factor infobased on Cassandranone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency infobased on Cassandra
Immediate Consistency infobased on Cassandra
Immediate Consistency
Foreign keys infoReferential integritynonoyesnono
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possibleACIDACIDnoACID
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyes, multi-version concurrency control (MVCC)yesyesyes
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.noyesyesnoyes
User concepts infoAccess controlAccess rights for users can be defined per databasenofine grained access rights according to SQL-standardsimple password-based access controlno

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More resources
CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"DuckDBHyperSQL infoalso known as HSQLDBKairosDBLMDB
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