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DBMS > Hypertable vs. NCache vs. Oracle Rdb

System Properties Comparison Hypertable vs. NCache vs. Oracle Rdb

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Editorial information provided by DB-Engines
NameHypertable  Xexclude from comparisonNCache  Xexclude from comparisonOracle Rdb  Xexclude from comparison
Hypertable has stopped its further development with March 2016 and is removed from the DB-Engines ranking.
DescriptionAn open source BigTable implementation based on distributed file systems such as HadoopNCache is a 100% .NET / .NET Core Open Source in-memory distributed cache.
Primary database modelWide column storeKey-value storeRelational DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.04
Rank#162  Overall
#29  Key-value stores
Score1.25
Rank#149  Overall
#72  Relational DBMS
Websitewww.alachisoft.com/­ncachewww.oracle.com/­technetwork/­database/­database-technologies/­rdb/­overview/­index.html
Technical documentationwww.alachisoft.com/­resources/­docs
DeveloperHypertable Inc.AlachisoftOracle, originally developed by Digital Equipment Corporation (DEC)
Initial release200920051984
Current release0.9.8.11, March 20165.0, May 20197.3.3.2.0, 2019
License infoCommercial or Open SourceOpen Source infoGNU version 3. Commercial license availableOpen Source infoEnterprise Edition 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.
Implementation languageC++C#, .NET, .NET Core
Server operating systemsLinux
OS X
Windows infoan inofficial Windows port is available
Linux
Windows
HP Open VMS
Data schemeschema-freeschema-freeFlexible Schema (defined schema, partial schema, schema free)
Typing infopredefined data types such as float or datenopartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryes
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 indexesrestricted infoonly exact value or prefix value scansyesyes
SQL infoSupport of SQLnoSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yes
APIs and other access methodsC++ API
Thrift
IDistributedCache
JCache
LINQ
Proprietary native API
Supported programming languagesC++
Java
Perl
PHP
Python
Ruby
.Net
.Net Core
C#
Java
Visual Basic.NET
Server-side scripts infoStored proceduresnono infosupport for stored procedures with SQL-Server CLR
Triggersnoyes infoNotifications
Partitioning methods infoMethods for storing different data on different nodesShardingyes
Replication methods infoMethods for redundantly storing data on multiple nodesselectable replication factor on file system levelyes, with selectable consistency level
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integritynonoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of datanooptimistic locking and pessimistic lockingyes, on a single node
Concurrency infoSupport for concurrent manipulation of datayesyesyes
Durability infoSupport for making data persistentyesyesyes
In-memory capabilities infoIs there an option to define some or all structures to be held in-memory only.yesno
User concepts infoAccess controlnoAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)
More information provided by the system vendor
HypertableNCacheOracle 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

High Data Availability Promised with NCache
11 August 2020

Basic CRUD Operations in NCache – As Easy as ABC
23 July 2020

Keep Cache Data Fresh Using Expiration in NCache
23 July 2020

How to Avoid Cache Full Scenario Using Eviction?
20 July 2020

SSL/TLS Configuration in NCache Made Simple
16 July 2020

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and for displaying vendor-provided information such as key customers, competitive advantages and market metrics.

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More resources
HypertableNCacheOracle Rdb
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