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DBMS > CouchDB vs. LMDB vs. MySQL vs. SAP HANA vs. WakandaDB

System Properties Comparison CouchDB vs. LMDB vs. MySQL vs. SAP HANA vs. WakandaDB

Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonLMDB  Xexclude from comparisonMySQL  Xexclude from comparisonSAP HANA  Xexclude from comparisonWakandaDB  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.A high performant, light-weight, embedded key-value database libraryWidely used open source RDBMSIn-memory, column based data store. Available as appliance or cloud serviceWakandaDB is embedded in a server that provides a REST API and a server-side javascript engine to access data
Primary database modelDocument storeKey-value storeRelational DBMS infoKey/Value like access via memcached APIRelational DBMSObject oriented DBMS
Secondary database modelsSpatial DBMS infousing the Geocouch extensionDocument store
Spatial DBMS
Document store
Graph DBMS infowith SAP Hana, Enterprise Edition
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score11.73
Rank#45  Overall
#7  Document stores
Score2.62
Rank#117  Overall
#21  Key-value stores
Score1101.50
Rank#2  Overall
#2  Relational DBMS
Score45.49
Rank#22  Overall
#16  Relational DBMS
Score0.06
Rank#374  Overall
#17  Object oriented DBMS
Websitecouchdb.apache.orgwww.symas.com/­symas-embedded-database-lmdbwww.mysql.comwww.sap.com/­products/­hana.htmlwakanda.github.io
Technical documentationdocs.couchdb.org/­en/­stablewww.lmdb.tech/­docdev.mysql.com/­dochelp.sap.com/­hanawakanda.github.io/­doc
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerSymasOracle infosince 2010, originally MySQL AB, then SunSAPWakanda SAS
Initial release20052011199520102012
Current release3.3.3, December 20230.9.32, January 20248.3.0, January 20242.0 SPS07 (April 4, 2023), April 20232.7.0 (April 29, 2019), April 2019
License infoCommercial or Open SourceOpen Source infoApache version 2Open SourceOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availablecommercialOpen Source infoAGPLv3, extended commercial license available
Cloud-based only infoOnly available as a cloud servicenononono infoalso available as a cloud based serviceno
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangCC and C++C++, JavaScript
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
Linux
Unix
Windows
FreeBSD
Linux
OS X
Solaris
Windows
Appliance or cloud-serviceLinux
OS X
Windows
Data schemeschema-freeschema-freeyesyesyes
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.nonoyesnono
Secondary indexesyes infovia viewsnoyesyes
SQL infoSupport of SQLnonoyes infowith proprietary extensionsyesno
APIs and other access methodsRESTful HTTP/JSON APIADO.NET
JDBC
ODBC
Proprietary native API
JDBC
ODBC
RESTful HTTP API
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
.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
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
JavaScript
Server-side scripts infoStored proceduresView functions in JavaScriptnoyes infoproprietary syntaxSQLScript, Ryes
Triggersyesnoyesyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0nonehorizontal partitioning, sharding with MySQL Cluster or MySQL Fabricyesnone
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
noneMulti-source replication
Source-replica replication
yesnone
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynonoyes infonot for MyISAM storage engineyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datano infoatomic operations within a single document possibleACIDACID infonot for MyISAM storage engineACIDACID
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyesyes infotable locks or row locks depending on storage engineyesyes
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.noyesyesyesno
User concepts infoAccess controlAccess rights for users can be defined per databasenoUsers with fine-grained authorization concept infono user groups or rolesyesyes

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