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DBMS > ClickHouse vs. Memcached vs. ToroDB vs. Trafodion

System Properties Comparison ClickHouse vs. Memcached vs. ToroDB vs. Trafodion

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Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonMemcached  Xexclude from comparisonToroDB  Xexclude from comparisonTrafodion  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexIn-memory key-value store, originally intended for cachingA MongoDB-compatible JSON document store, built on top of PostgreSQLTransactional SQL-on-Hadoop DBMS
Primary database modelRelational DBMSKey-value storeDocument storeRelational DBMS
Secondary database modelsTime Series DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score10.63
Rank#45  Overall
#29  Relational DBMS
Score25.66
Rank#30  Overall
#4  Key-value stores
Score0.08
Rank#320  Overall
#41  Document stores
Score0.53
Rank#232  Overall
#112  Relational DBMS
Websiteclickhouse.techwww.memcached.orgwww.torodb.comtrafodion.apache.org
Technical documentationclickhouse.tech/­docsgithub.com/­memcached/­memcached/­wikiwww.torodb.com/­stampede/­docstrafodion.apache.org
DeveloperYandex LLCDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournal8KdataApache Software Foundation, originally developed by HP
Initial release2016200320162014
Current releasev20.11.3.3-stable, November 20201.6.9, November 20202.3.0, February 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoBSD licenseOpen Source infoAGPL-V3Open Source infoApache 2.0
Cloud-based only infoOnly available as a cloud servicenononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++CJavaC++, Java
Server operating systemsFreeBSD
Linux
macOS
FreeBSD
Linux
OS X
Unix
Windows
All OS with a Java 7 VMLinux
Data schemeyesschema-freeschema-freeyes
Typing infopredefined data types such as float or dateyesnoyes infostring, integer, double, boolean, date, object_idyes
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.nonono
Secondary indexesnonoyes
SQL infoSupport of SQLClose to ANSI SQLnoyes
APIs and other access methodsHTTP REST
JDBC
ODBC
Proprietary protocol
Proprietary protocolADO.NET
JDBC
ODBC
Supported programming languagesC# info3rd party library
C++
Elixir info3rd party library
Go info3rd party library
Java info3rd party library
JavaScript (Node.js) info3rd party library
Kotlin info3rd party library
Nim info3rd party library
Perl info3rd party library
PHP info3rd party library
Python info3rd party library
R info3rd party library
Ruby info3rd party library
Scala info3rd party library
.Net
C
C++
ColdFusion
Erlang
Java
Lisp
Lua
OCaml
Perl
PHP
Python
Ruby
All languages supporting JDBC/ODBC/ADO.Net
Server-side scripts infoStored proceduresnonoJava Stored Procedures
Triggersnononono
Partitioning methods infoMethods for storing different data on different nodesnoneShardingSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallitySource-replica replicationyes, via HBase
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonoyes infovia user defined functions and HBase
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynononoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanononoACID
Concurrency infoSupport for concurrent manipulation of datayesyesyesyes
Durability infoSupport for making data persistentyesnoyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlAccess rights for users and rolesyes infousing SASL (Simple Authentication and Security Layer) protocolAccess rights for users and rolesfine grained access rights according to SQL-standard

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More resources
ClickHouseMemcachedToroDBTrafodion
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