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DBMS > NCache vs. PostgreSQL vs. TempoIQ

System Properties Comparison NCache vs. PostgreSQL vs. TempoIQ

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Editorial information provided by DB-Engines
NameNCache  Xexclude from comparisonPostgreSQL  Xexclude from comparisonTempoIQ infoformerly TempoDB  Xexclude from comparison
TempoIQ seems to be decommissioned. It will be removed from the DB-Engines ranking.
DescriptionNCache is a 100% .NET / .NET Core Open Source in-memory distributed cache.Widely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQLScalable analytics DBMS for sensor data, provided as a service (SaaS)
Primary database modelKey-value storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.Time Series DBMS
Secondary database modelsDocument store
Search engine infoUsing distributed Lucene
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1.26
Rank#148  Overall
#27  Key-value stores
Score542.29
Rank#4  Overall
#4  Relational DBMS
Websitewww.alachisoft.com/­ncachewww.postgresql.orgtempoiq.com (offline)
Technical documentationwww.alachisoft.com/­resources/­docswww.postgresql.org/­docs/­manuals
DeveloperAlachisoftPostgreSQL Global Development Group infowww.postgresql.org/­developerTempoIQ
Initial release20051989 info1989: Postgres, 1996: PostgreSQL2012
Current release5.0, May 201912.4, August 2020
License infoCommercial or Open SourceOpen Source infoEnterprise Edition availableOpen Source infoBSDcommercial
Cloud-based only infoOnly available as a cloud servicenonoyes
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC#, .NET, .NET CoreC
Server operating systemsLinux
Windows
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeschema-freeyesschema-free
Typing infopredefined data types such as float or datepartial infoSupported data types are Lists, Queues, Hashsets, Dictionary and Counteryesyes
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.noyes infospecific XML-type available, but no XML query functionality.no
Secondary indexesyesyes
SQL infoSupport of SQLSQL-like query syntax and LINQ for searching the cache. Cache Synchronization with SQL Server using SQL dependency.yes infostandard with numerous extensionsno
APIs and other access methodsIDistributedCache
JCache
LINQ
Proprietary native API
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
HTTP API
Supported programming languages.Net
.Net Core
C#
Java
Visual Basic.NET
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
C#
Java
JavaScript infoNode.js
Python
Ruby
Server-side scripts infoStored proceduresno infosupport for stored procedures with SQL-Server CLRuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.no
Triggersyes infoNotificationsyesyes infoRealtime Alerts
Partitioning methods infoMethods for storing different data on different nodesyespartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesyes, with selectable consistency levelSource-replica replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsyesnono
Consistency concepts infoMethods to ensure consistency in a distributed systemEventual Consistency
Immediate Consistency
Strong Eventual Consistency over WAN with Conflict Resolution using Bridge Topology
Immediate Consistency
Foreign keys infoReferential integritynoyesno
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataoptimistic locking and pessimistic lockingACIDno
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.yesnono
User concepts infoAccess controlAuthentication to access the cache via Active Directory/LDAP (possible roles: user, administrator)fine grained access rights according to SQL-standardsimple authentication-based access control
More information provided by the system vendor
NCachePostgreSQLTempoIQ infoformerly TempoDB
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

Sync NCache with Oracle Server
22 September 2020

Using NCache as IdentityServer4 Cache and Data Store
17 September 2020

Using Dapper Micro-ORM in NCache
16 September 2020

Split-Brain Recovery in NCache: A Tale of Two Halves
3 September 2020

Scaling Blazor Apps with NCache as SignalR Backplane
2 September 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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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
NCachePostgreSQLTempoIQ infoformerly TempoDB
DB-Engines blog posts

PostgreSQL is the DBMS of the Year 2018
2 January 2019, Paul Andlinger, Matthias Gelbmann

PostgreSQL is the DBMS of the Year 2017
2 January 2018, Paul Andlinger, Matthias Gelbmann

Microsoft SQL Server is the DBMS of the Year
4 January 2017, Matthias Gelbmann, Paul Andlinger

show all

Conferences and events

PostgreSQL Online Trainings
Online Training Courses, 4 May 2020 - 11 December 2020

Recent citations in the news

Custom Response Caching Using NCache in ASP.NET Core
22 April 2020, InfoQ.com

How to use NCache in ASP.Net Core
25 February 2019, InfoWorld

Alachisoft adopts 'Work from Home' model to stop spread of COVID-19
9 April 2020, UrduPoint News

Basic NCache is Now Open Source
10 March 2015, InfoQ.com

Velocity: Microsoft's Distributed In-Memory Cache
4 June 2008, InfoQ.com

provided by Google News

Why should businesses upgrade their PostgreSQL Database?
17 September 2020, ITProPortal

Crunchy Data Continues PostgreSQL Support with the Release of Crunchy Bridge
18 September 2020, Database Trends and Applications

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8 September 2020, DC Velocity

Crunchy PostgreSQL for Kubernetes Now Available Through Red Hat Marketplace
8 September 2020, PRNewswire

EDB Postgres Advanced Server Achieves Good Software Certification
21 September 2020, Business Wire

provided by Google News

Big Data and Analytics Industry 2020 Market Manufacturers, Size, Share, Growth, Supply, Trends, Applications and 2026 Research Report
3 September 2020, The Daily Chronicle

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8 July 2014, GigaOM

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31 August 2016, Chicago Tribune

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