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DBMS > Microsoft SQL Server vs. NCache vs. PostgreSQL

System Properties Comparison Microsoft SQL Server vs. NCache vs. PostgreSQL

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Editorial information provided by DB-Engines
NameMicrosoft SQL Server  Xexclude from comparisonNCache  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionMicrosofts relational DBMSOpen source in-memory key-value storeWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelRelational DBMSKey-value storeRelational DBMS infowith object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.
Secondary database modelsDocument store
Graph DBMS
Document store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1081.91
Rank#3  Overall
#3  Relational DBMS
Score1.05
Rank#145  Overall
#25  Key-value stores
Score491.07
Rank#4  Overall
#4  Relational DBMS
Websitewww.microsoft.com/­en-us/­sql-serverwww.alachisoft.com/­ncachewww.postgresql.org
Technical documentationdocs.microsoft.com/­en-ie/­sql/­sql-server/­sql-server-technical-documentationwww.alachisoft.com/­resources/­docswww.postgresql.org/­docs/­manuals
DeveloperMicrosoftAlachisoftPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release198920041989 info1989: Postgres, 1996: PostgreSQL
Current releaseSQL Server 2019, November 20195.0, May 201912.1, November 2019
License infoCommercial or Open Sourcecommercial inforestricted free version is availableOpen Source infoApache 2.0Open Source infoBSD
Cloud-based only infoOnly available as a cloud servicenonono
DBaaS offerings (sponsored links) infoDatabase as a Service

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Implementation languageC++C#, C++, .NETC
Server operating systemsLinux
Windows
WindowsFreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeyesschema-freeyes
Typing infopredefined data types such as float or dateyesyes
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.yesnoyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyesyes
SQL infoSupport of SQLyesSQL-like query syntax (OQL) for searching the cacheyes infostandard with numerous extensions
APIs and other access methodsADO.NET
JDBC
ODBC
OLE DB
Tabular Data Stream (TDS)
LINQ
Proprietary protocol
ADO.NET
JDBC
native C library
ODBC
streaming API for large objects
Supported programming languagesC#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
.Net
C#
Java
Visual Basic.NET
.Net
C
C++
Delphi
Java infoJDBC
JavaScript (Node.js)
Perl
PHP
Python
Tcl
Server-side scripts infoStored proceduresTransact SQL, .NET languages, R, Python and (with SQL Server 2019) Javano 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.
Triggersyesyes infoNotificationsyes
Partitioning methods infoMethods for storing different data on different nodestables can be distributed across several files (horizontal partitioning); sharding through federationyespartitioning by range, list and (since PostgreSQL 11) by hash
Replication methods infoMethods for redundantly storing data on multiple nodesyes, but depending on the SQL-Server Editionyes, with selectable consistency levelMaster-slave replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnoyesno
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyEventual Consistency
Immediate Consistency
Immediate Consistency
Foreign keys infoReferential integrityyesnoyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDoptimistic lockingACID
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.yesyesno
User concepts infoAccess controlfine grained access rights according to SQL-standardauthentification to access the cache via Active Directory/LDAP (possible roles: user, administrator)fine grained access rights according to SQL-standard
More information provided by the system vendor
Microsoft SQL ServerNCachePostgreSQL
Specific characteristicsNCache has been the market leader in .NET Distributed Caching for the last 13 years....
» more
Competitive advantagesNcache is 100% .NET with ASP.NET Session State storage, ASP.NET View State Caching,...
» more
Typical application scenariosNCache enables industries and users including users doing: Fraud Detection, Retail...
» more
Key customersBank of America, Citi, Natures Way, Charter Spectrum, Barclays, Henry Schein, GBM,...
» more
Market metricsMarket Leader in .NET Distributed Caching for the last 13 years.
» more
Licensing and pricing modelsThe NCache Enterprise licensing model is according to the number of nodes and shards...
» more
News

Synchronize your Cache with SQL Server in NCache
13 November 2019

Implementing a Persistent Cache with NCache
31 October 2019

Scaling Real-Time ASP.NET Core SignalR Apps
23 October 2019

Scaling .NET Microservices Communications with In-Memory Pub/Sub
17 October 2019

Using SQL Queries with Distributed Cache
4 October 2019

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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SQLPro for PostgreSQL: A simple but powerful PostgreSQL database client available on iPhone and iPad as well as macOS.
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DBHawk: a web-based PostgreSQL/Greenplum database tool. Boost database development and BI productivity with an online Universal database tool.
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We invite representatives of vendors of related products to contact us for presenting information about their offerings here.

More resources
Microsoft SQL ServerNCachePostgreSQL
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Recent citations in the news

A three step guide to optimising SQL server management
19 November 2019, NS Tech

Microsoft Makes SQL Server 2019 Generally Available
4 November 2019, Redmond Channel Partner

SQL Server 2019 Licensing: How Much Does It Cost and What's Included?
8 November 2019, Redmondmag.com

SQL Server 2019 Is Here: A Roundup of Its Best Features
4 November 2019, Redmondmag.com

SQL Server 2019 reaches general availability
4 November 2019, ZDNet

provided by Google News

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

NCache Distributed Cache for .NET Gets Open Sourced
28 January 2015, Visual Studio Magazine

NCache: A Distributed Cache for the .NET Platform Available Today
11 June 2008, InfoQ.com

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

PostgREST Turns PostGRE RESTful
21 November 2019, iProgrammer

Crunchy Data and Center for Internet Security Announce Benchmark Update for PostgreSQL 12
20 November 2019, Cherokee Tribune Ledger News

Aiven Becomes First Cloud Service to Provide Hosted PostgreSQL 12
19 November 2019, PR Web

Introducing PostgREST, a REST API for any PostgreSQL database written in Haskell
4 November 2019, Packt Hub

Crunchy Data and ORock Technologies Partnership Brings Trusted Open Source Cloud Native PostgreSQL to Federal Government
13 November 2019, AiThority

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