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DBMS > ClickHouse vs. NCache vs. Oracle Rdb

System Properties Comparison ClickHouse vs. NCache vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameClickHouse  Xexclude from comparisonNCache  Xexclude from comparisonOracle Rdb  Xexclude from comparison
DescriptionColumn-oriented Relational DBMS powering YandexOpen source in-memory key-value store
Primary database modelRelational DBMSKey-value storeRelational DBMS
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score3.89
Rank#75  Overall
#39  Relational DBMS
Score1.05
Rank#149  Overall
#26  Key-value stores
Score1.01
Rank#152  Overall
#74  Relational DBMS
Websiteclickhouse.techwww.alachisoft.com/­ncachewww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.html
Technical documentationclickhouse.tech/­docswww.alachisoft.com/­resources/­docs
DeveloperYandex LLCAlachisoftOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release201620041984
Current releasev19.13.3.26, August 20195.0, May 2019
License infoCommercial or Open SourceOpen Source infoApache 2.0Open Source infoApache 2.0commercial
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.
Implementation languageC#, C++, .NET
Server operating systemsWindowsHP Open VMS
Data schemeschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or dateyes
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.nono
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like query syntax (OQL) for searching the cacheyes
APIs and other access methodsLINQ
Proprietary protocol
Supported programming languages.Net
C#
Java
Visual Basic.NET
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLR
Triggersyes infoNotifications
Partitioning methods infoMethods for storing different data on different nodesyes
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integritynoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic lockingyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyes
Durability infoSupport for making data persistentyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)
More information provided by the system vendor
ClickHouseNCacheOracle Rdb
Specific characteristicsNCache has been the market leader in .NET Distributed Caching since 2005 . NCache...
» more
Competitive advantagesNCache is 100% .NET/ .NET Core based which fully supports ASP.NET Core Sessions ,...
» more
Typical application scenariosNCache enables industries like retail, finance, banking IoT, travel, ecommerce, healthcare...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching since 2005.
» more
Licensing and pricing modelsNCache Open Source is free on an as-is basis without any support. NCache Enterprise...
» more
News

Using NCache as a JSON Store
25 February 2020

Understanding Multi-Datacenter WAN Replication in NCache
19 February 2020

NCache becomes a RedHat Technology Partner.
23 January 2020

Best Practices for Monitoring NCache in Production
21 January 2020

NCache 5.0 SP2 Released
7 January 2020

We invite representatives of system vendors to contact us for updating and extending the system information,
and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
ClickHouseNCacheOracle Rdb
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