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DBMS > CouchDB vs. DolphinDB vs. MySQL vs. SAP HANA

System Properties Comparison CouchDB vs. DolphinDB vs. MySQL vs. SAP HANA

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Editorial information provided by DB-Engines
NameCouchDB infostands for "Cluster Of Unreliable Commodity Hardware"  Xexclude from comparisonDolphinDB  Xexclude from comparisonMySQL  Xexclude from comparisonSAP HANA  Xexclude from comparison
DescriptionA native JSON - document store inspired by Lotus Notes, scalable from globally distributed server-clusters down to mobile phones.Time Series DBMS for big data, integrated with a lightweight distributed computing framework and a vector programming languageWidely used open source RDBMSIn-memory, column based data store. Available as appliance or cloud service
Primary database modelDocument storeTime Series DBMSRelational DBMS infoKey/Value like access via memcached APIRelational 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
Score15.79
Rank#40  Overall
#6  Document stores
Score1.08
Rank#167  Overall
#11  Time Series DBMS
Score1219.77
Rank#2  Overall
#2  Relational DBMS
Score55.28
Rank#20  Overall
#13  Relational DBMS
Websitecouchdb.apache.orgwww.dolphindb.comwww.mysql.comwww.sap.com/­products/­hana.html
Technical documentationdocs.couchdb.org/­en/­stablewww.dolphindb.com/­helpdev.mysql.com/­dochelp.sap.com/­hana
DeveloperApache Software Foundation infoApache top-level project, originally developed by Damien Katz, a former Lotus Notes developerDolphinDB, IncOracle infosince 2010, originally MySQL AB, then SunSAP
Initial release2005201819952010
Current release3.1.1, September 20208.0.26, July 20212.0 SPS05 (June 26, 2020), June 2020
License infoCommercial or Open SourceOpen Source infoApache version 2commercial infofree community version availableOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availablecommercial
Cloud-based only infoOnly available as a cloud servicenononono infoalso available as a cloud based service
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageErlangC++C and C++
Server operating systemsAndroid
BSD
Linux
OS X
Solaris
Windows
Linux
Windows
FreeBSD
Linux
OS X
Solaris
Windows
Appliance or cloud-service
Data schemeschema-freeyesyes
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.nonoyesno
Secondary indexesyes infovia viewsnoyesyes
SQL infoSupport of SQLnoSQL-like query languageyes infowith proprietary extensionsyes
APIs and other access methodsRESTful HTTP/JSON APIJDBC
ODBC
ADO.NET
JDBC
ODBC
Proprietary native API
JDBC
ODBC
Supported programming languagesC
C#
ColdFusion
Erlang
Haskell
Java
JavaScript
Lisp
Lua
Objective-C
OCaml
Perl
PHP
PL/SQL
Python
Ruby
Smalltalk
C#
C++
Java
JavaScript
Python
R
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 proceduresView functions in JavaScriptyesyes infoproprietary syntaxSQLScript, R
Triggersyesnoyesyes
Partitioning methods infoMethods for storing different data on different nodesSharding infoimproved architecture with release 2.0horizontal partitioninghorizontal partitioning, sharding with MySQL Cluster or MySQL Fabricyes
Replication methods infoMethods for redundantly storing data on multiple nodesMulti-source replication
Source-replica replication
yesMulti-source replication
Source-replica replication
yes
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual 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 possibleyesACID infonot for MyISAM storage engineACID
Concurrency infoSupport for concurrent manipulation of datayes infostrategy: optimistic lockingyesyes infotable locks or row locks depending on storage engineyes
Durability infoSupport for making data persistentyesyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.noyesyesyes
User concepts infoAccess controlAccess rights for users can be defined per databaseAdministrators, Users, GroupsUsers with fine-grained authorization concept infono user groups or rolesyes

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CouchDB infostands for "Cluster Of Unreliable Commodity Hardware"DolphinDBMySQLSAP HANA
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