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DBMS > ClickHouse vs. Memcached vs. Microsoft SQL Server vs. Sadas Engine vs. ToroDB

System Properties Comparison ClickHouse vs. Memcached vs. Microsoft SQL Server vs. Sadas Engine vs. ToroDB

Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonMemcached  Xexclude from comparisonMicrosoft SQL Server  Xexclude from comparisonSadas Engine  Xexclude from comparisonToroDB  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexIn-memory key-value store, originally intended for cachingMicrosofts flagship relational DBMSSADAS Engine is a columnar DBMS specifically designed for high performance in Data warehouse environmentsA MongoDB-compatible JSON document store, built on top of PostgreSQL
Primary database modelRelational DBMSKey-value storeRelational DBMSRelational DBMSDocument store
Secondary database modelsTime Series DBMSDocument store
Graph DBMS
Spatial DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score11.39
Rank#45  Overall
#29  Relational DBMS
Score26.37
Rank#31  Overall
#4  Key-value stores
Score954.29
Rank#3  Overall
#3  Relational DBMS
Score0.01
Rank#347  Overall
#145  Relational DBMS
Score0.02
Rank#340  Overall
#47  Document stores
Websiteclickhouse.techwww.memcached.orgwww.microsoft.com/­en-us/­sql-serverwww.sadasengine.comwww.torodb.com
Technical documentationclickhouse.tech/­docsgithub.com/­memcached/­memcached/­wikidocs.microsoft.com/­en-US/­sql/­sql-serverwww.sadasengine.com/­index.php/­downloads/­documentation-columnar-dbwww.torodb.com/­stampede/­docs
DeveloperYandex LLCDanga Interactive infooriginally developed by Brad Fitzpatrick for LiveJournalMicrosoftSADAS s.r.l.8Kdata
Initial release20162003198920062016
Current releasev21.10.2.15-stable, October 20211.6.9, November 2020SQL Server 2019, November 20198.0
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoBSD licensecommercial inforestricted free version is availablecommercial infofree trial version availableOpen Source infoAGPL-V3
Cloud-based only infoOnly available as a cloud servicenonononono
DBaaS offerings (sponsored links) infoDatabase as a Service

Providers of DBaaS offerings, please contact us to be listed.
Implementation languageC++CC++C++Java
Server operating systemsFreeBSD
Linux
macOS
FreeBSD
Linux
OS X
Unix
Windows
Linux
Windows
AIX
Linux
Windows
All OS with a Java 7 VM
Data schemeyesschema-freeyesyesschema-free
Typing infopredefined data types such as float or dateyesnoyesyesyes infostring, integer, double, boolean, date, object_id
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 indexesnonoyesyes
SQL infoSupport of SQLClose to ANSI SQLnoyesyes
APIs and other access methodsHTTP REST
JDBC
ODBC
Proprietary protocol
Proprietary protocolADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
JDBC
ODBC
Proprietary protocol
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
C#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
.Net
C
C#
C++
Groovy
Java
PHP
Python
Server-side scripts infoStored proceduresnonoTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javano
Triggersnonoyesnono
Partitioning methods infoMethods for storing different data on different nodesnonetables can be distributed across several files (horizontal partitioning); sharding through federationhorizontal partitioningSharding
Replication methods infoMethods for redundantly storing data on multiple nodesnone infoRepcached, a Memcached patch, provides this functionallityyes, but depending on the SQL-Server EditionnoneSource-replica replication
MapReduce infoOffers an API for user-defined Map/Reduce methodsnononono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate ConsistencyEventual Consistency
Immediate Consistency
Foreign keys infoReferential integritynonoyesyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanonoACIDno
Concurrency infoSupport for concurrent manipulation of datayesyesyesyesyes
Durability infoSupport for making data persistentyesnoyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesyesyes infomanaged by 'Learn by Usage'
User concepts infoAccess controlAccess rights for users and rolesyes infousing SASL (Simple Authentication and Security Layer) protocolfine grained access rights according to SQL-standardAccess rights for users, groups and roles according to SQL-standardAccess rights for users and roles

More information provided by the system vendor

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More resources
ClickHouseMemcachedMicrosoft SQL ServerSadas EngineToroDB
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Recent citations in the news

ClickHouse Raises $250M Series B To Scale Groundbreaking OLAP Database Management System Globally
28 October 2021, Business Wire

ClickHouse hauls in $250M Series B
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24 September 2021, Datanami

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29 October 2021, Crunchbase News

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4 April 2020, Blocks and Files

What are memcached servers, and why are they being used to launch record-setting DDoS attacks?
6 March 2018, GeekWire

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