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DBMS > Microsoft SQL Server vs. MySQL vs. PostgreSQL

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

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Editorial information provided by DB-Engines
NameMicrosoft SQL Server  Xexclude from comparisonMySQL  Xexclude from comparisonPostgreSQL  Xexclude from comparison
DescriptionMicrosofts relational DBMSWidely used open source RDBMSWidely used open source RDBMS infoDeveloped as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL
Primary database modelRelational DBMSRelational DBMS infoKey/Value like access via memcached APIRelational 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 storeDocument store
DB-Engines Ranking infomeasures the popularity of database management systemsranking trend
Trend Chart
Score1093.18
Rank#3  Overall
#3  Relational DBMS
Score1253.68
Rank#2  Overall
#2  Relational DBMS
Score481.33
Rank#4  Overall
#4  Relational DBMS
Websitewww.microsoft.com/­en-us/­sql-serverwww.mysql.comwww.postgresql.org
Technical documentationdocs.microsoft.com/­en-ie/­sql/­sql-server/­sql-server-technical-documentationdev.mysql.com/­docwww.postgresql.org/­docs/­manuals
DeveloperMicrosoftOracle infosince 2010, originally MySQL AB, then SunPostgreSQL Global Development Group infowww.postgresql.org/­developer
Initial release198919951989 info1989: Postgres, 1996: PostgreSQL
Current releaseSQL Server 2017, October 20178.0.17, July 201911.5, August 2019
License infoCommercial or Open Sourcecommercial inforestricted free version is availableOpen Source infoGPL version 2. Commercial licenses with extended functionallity are availableOpen Source infoBSD
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.
  • Google Cloud SQL: A fully-managed database service for the Google Cloud Platform
  • Azure Database for MySQL: A fully managed, scalable MySQL relational database with high availability and security built in at no extra cost
  • Google Cloud SQL: A fully-managed database service for the Google Cloud Platform
  • ScaleGrid: Fully managed PostgreSQL hosting with high availability, dedicated servers, and superuser control on the #1 multi-cloud Amazon RDS alternative.
  • Azure Database for PostgreSQL: A fully managed, scalable PostgreSQL relational database with high availability and security built in at no extra cost
Implementation languageC++C and C++C
Server operating systemsLinux
Windows
FreeBSD
Linux
OS X
Solaris
Windows
FreeBSD
HP-UX
Linux
NetBSD
OpenBSD
OS X
Solaris
Unix
Windows
Data schemeyesyesyes
Typing infopredefined data types such as float or dateyesyesyes
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.yesyesyes infospecific XML-type available, but no XML query functionality.
Secondary indexesyesyesyes
SQL infoSupport of SQLyesyes infowith proprietary extensionsyes infostandard with numerous extensions
APIs and other access methodsOLE DB
Tabular Data Stream (TDS)
ADO.NET
JDBC
ODBC
Proprietary native API
ADO.NET
JDBC
ODBC
native C library
streaming API for large objects
ADO.NET
JDBC
ODBC
Supported programming languagesC#
C++
Delphi
Go
Java
JavaScript (Node.js)
PHP
Python
R
Ruby
Visual Basic
Ada
C
C#
C++
D
Delphi
Eiffel
Erlang
Haskell
Java
JavaScript (Node.js)
Objective-C
OCaml
Perl
PHP
Python
Ruby
Scheme
Tcl
.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) Javayes infoproprietary syntaxuser defined functions inforealized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.
Triggersyesyesyes
Partitioning methods infoMethods for storing different data on different nodestables can be distributed across several files (horizontal partitioning); sharding through federationhorizontal partitioning, sharding with MySQL Cluster or MySQL Fabricpartitioning 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 EditionMaster-master replication
Master-slave replication
Master-slave replication infoother methods possible by using 3rd party extensions
MapReduce infoOffers an API for user-defined Map/Reduce methodsnonono
Consistency concepts infoMethods to ensure consistency in a distributed systemImmediate ConsistencyImmediate ConsistencyImmediate Consistency
Foreign keys infoReferential integrityyesyes infonot for MyISAM storage engineyes
Transaction concepts infoSupport to ensure data integrity after non-atomic manipulations of dataACIDACID infonot for MyISAM storage engineACID
Concurrency infoSupport for concurrent manipulation of datayesyes infotable locks or row locks depending on storage engineyes
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-standardUsers with fine-grained authorization concept infono user groups or rolesfine grained access rights according to SQL-standard

More information provided by the system vendor

We invite representatives of system vendors to contact us for updating and extending the system information,
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Related products and services
3rd partiesDBHawk is a web-based data management Tool for a SQL Server database.
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ERBuilder provides all the features you would expect from a professional database modeling and design tool.
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SQLPro for MSSQL: A simple but powerful Microsoft SQL Server database client available on iPhone and iPad as well as macOS.
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Navicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.
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Navicat for SQL Server gives you a fully graphical approach to database management and development.
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General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
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Dremio is like magic for SQL Server accelerating your analytical queries up to 1,000x.
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Navicat for MySQL is the ideal solution for MySQL/MariaDB administration and development.
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General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
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Dremio is like magic for MySQL accelerating your analytical queries up to 1,000x.
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ScaleGrid: Fully managed MySQL-as-a-Service.
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SQLPro for MySQL: A simple but powerful MySQL database client available on iPhone and iPad as well as macOS.
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Azure Database for MySQL provides fully managed, enterprise-ready community MySQL database as a service
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CData: Connect to Big Data & NoSQL through standard Drivers.
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pgDash: In-Depth PostgreSQL Monitoring.
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General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
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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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SQLPro for PostgreSQL: A simple but powerful PostgreSQL database client available on iPhone and iPad as well as macOS.
» more

Dremio is like magic for PostgreSQL accelerating your analytical queries up to 1,000x.
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2ndQuadrant: PostgreSQL Solutions for the Enterprise.
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Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
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Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service
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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 ServerMySQLPostgreSQL
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Conferences and events

PASS Summit 2019
Seattle, Washington, USA, 5-8 November 2019

PostgreSQL Conference, Asia 2019
Denpasar, Bali, Indonesia, 9-12 September 2019

PostgreSQL Conference, Europe 2019
Milan, Italy, 15-18 October 2019

Recent citations in the news

Aginity Launches Analytic Management Support for Microsoft SQL Server
21 August 2019, PRNewswire

Cost-saving options for protecting SQL server databases in the AWS cloud
19 August 2019, ITProPortal

Azure SQL unified Azure portal experience | Data Exposed - Microsoft
21 August 2019, Channel 9

Google Releases Enterprise Database Options, Targets SQL Server Customers
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7 August 2019, Redmondmag.com

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DigitalOcean launches managed MySQL and Redis database services
20 August 2019, TechCrunch

After PostgreSQL, DigitalOcean now adds MySQL and Redis to its managed databases’ offering
20 August 2019, Packt Hub

news digest: DigitalOcean announces managed databases for MySQL and Redis, Waymo's Open Dataset, and GitHub Enterprise Server 2.18 - SD Times
21 August 2019, SDTimes.com

SiteLock Extends Database Security Reach to MySQL
7 August 2019, Security Boulevard

PenCarrie Turns to Percona to Support MySQL Database Growth Strategy
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Database PostgreSQL makes transition from academia to enterprise
9 August 2019, TechHQ

DigitalOcean launches managed MySQL and Redis database services
20 August 2019, TechCrunch

Providing Postgres at scale with EnterpriseDB
8 August 2019, Tech Wire Asia

Microsoft buys a start-up whose software limits access to sensitive data
29 July 2019, CNBC

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