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DBMS > DolphinDB vs. MySQL vs. Oracle Rdb vs. Trafodion

System Properties Comparison DolphinDB vs. MySQL vs. Oracle Rdb vs. Trafodion

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Editorial information provided by DB-Engines
NameDolphinDB  Xexclude from comparisonMySQL  Xexclude from comparisonOracle Rdb  Xexclude from comparisonTrafodion  Xexclude from comparison
DescriptionTime Series DBMS for big data, integrated with a lightweight distributed computing framework and a vector programming languageWidely used open source RDBMSTransactional SQL-on-Hadoop DBMS
Primary database modelTime Series DBMSRelational DBMS infoKey/Value like access via memcached APIRelational DBMSRelational DBMS
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.08
Rank#169  Overall
#11  Time Series DBMS
Score1212.52
Rank#2  Overall
#2  Relational DBMS
Score1.25
Rank#157  Overall
#76  Relational DBMS
Score0.53
Rank#232  Overall
#112  Relational DBMS
Websitewww.dolphindb.comwww.mysql.comwww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.htmltrafodion.apache.org
Technical documentationwww.dolphindb.com/­helpdev.mysql.com/­doctrafodion.apache.org
DeveloperDolphinDB, IncOracle infosince 2010, originally MySQL AB, then SunOracle, originally developed by Digital Equipment Corporation (DEC)Apache Software Foundation, originally developed by HP
Initial release2018199519842014
Current release8.0.26, July 20217.4.1.1, 20212.3.0, February 2019
License infoCommercial or Open Sourcecommercial infofree community version availableOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availablecommercialOpen Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C and C++C++, Java
Server operating systemsLinux
Windows
FreeBSD
Linux
OS X
Solaris
Windows
HP Open VMSLinux
Data schemeyesFlexible Schema (defined schema, partial schema, schema free)yes
Typing infopredefined data types such as float or dateyesyesyesyes
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.noyesnono
Secondary indexesnoyesyesyes
SQL infoSupport of SQLSQL-like query languageyes infowith proprietary extensionsyesyes
APIs and other access methodsJDBC
ODBC
ADO.NET
JDBC
ODBC
Proprietary native API
ADO.NET
JDBC
ODBC
Supported programming languagesC#
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
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresyesyes infoproprietary syntaxJava Stored Procedures
Triggersnoyesno
Partitioning methods infoMethods for storing different data on different nodeshorizontal partitioninghorizontal partitioning, sharding with MySQL Cluster or MySQL FabricSharding
Replication methods infoMethods for redundantly storing data on multiple nodesyesMulti-source replication
Source-replica replication
yes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnonoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integritynoyes infonot for MyISAM storage engineyesyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datayesACID infonot for MyISAM storage engineyes, on a single nodeACID
Concurrency infoSupport for concurrent manipulation of datayesyes infotable locks or row locks depending on storage engineyesyes
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.yesyesnono
User concepts infoAccess controlAdministrators, Users, GroupsUsers with fine-grained authorization concept infono user groups or rolesfine grained access rights according to SQL-standard

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