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DBMS > Memcached vs. MySQL vs. Oracle Coherence

System Properties Comparison Memcached vs. MySQL vs. Oracle Coherence

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Editorial information provided by DB-Engines
NameMemcached  Xexclude from comparisonMySQL  Xexclude from comparisonOracle Coherence  Xexclude from comparison
DescriptionIn-memory key-value store, originally intended for cachingWidely used open source RDBMSOracles in-memory data grid solution
Primary database modelKey-value storeRelational DBMS infoKey/Value like access via memcached APIKey-value store
Secondary database modelsDocument store
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score25.66
Rank#30  Overall
#4  Key-value stores
Score1212.52
Rank#2  Overall
#2  Relational DBMS
Score2.71
Rank#105  Overall
#20  Key-value stores
Websitewww.memcached.orgwww.mysql.comwww.oracle.com/­middleware/­technologies/­coherence.html
Technical documentationgithub.com/­memcached/­memcached/­wikidev.mysql.com/­docdocs.oracle.com/­en/­middleware/­standalone/­coherence
DeveloperDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalOracle infosince 2010, originally MySQL AB, then SunOracle
Initial release200319952007
Current release1.6.9, November 20208.0.26, July 202112c, September 2016
License infoCommercial or Open SourceOpen Source infoBSD licenseOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availablecommercial
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
ScaleGrid for MySQL: Fully managed MySQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS.
Implementation languageCC and C++Java
Server operating systemsFreeBSD
Linux
OS X
Unix
Windows
FreeBSD
Linux
OS X
Solaris
Windows
All OS with a Java VM
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datenoyesyes
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.yesno
Secondary indexesnoyesno
SQL infoSupport of SQLnoyes infowith proprietary extensionsno
APIs and other access methodsProprietary protocolADO.NET
JDBC
ODBC
Proprietary native API
JCache
JPA
RESTful HTTP API
Supported programming languages.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.Net
C++
Java
Server-side scripts infoStored proceduresnoyes infoproprietary syntaxno
Triggersnoyesyes infoLive Events
Partitioning methods infoMethods for storing different data on different nodesnonehorizontal partitioning, sharding with MySQL Cluster or MySQL FabricSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityMulti-source replication
Source-replica replication
yes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyes infonot for MyISAM storage engineno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanoACID infonot for MyISAM storage engineconfigurable
Concurrency infoSupport for concurrent manipulation of datayesyes infotable locks or row locks depending on storage engineyes
Durability infoSupport for making data persistentnoyesyes infooptionally
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyes
User concepts infoAccess controlyes infousing SASL (Simple Authentication and Security Layer) protocolUsers with fine-grained authorization concept infono user groups or rolesauthentification to access the cache via certificates or http basic authentication

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More resources
MemcachedMySQLOracle Coherence
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