DBMS > Microsoft SQL Server vs. PostgreSQL vs. SAP HANA
System Properties Comparison Microsoft SQL Server vs. PostgreSQL vs. SAP HANA
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|Editorial information provided by DB-Engines|
|Name||Microsoft SQL Server Xexclude from comparison||PostgreSQL Xexclude from comparison||SAP HANA Xexclude from comparison|
|Description||Microsofts flagship relational DBMS||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||In-memory, column based data store. Available as appliance or cloud service|
|Primary database model||Relational DBMS||Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Handling of key/value pairs with hstore module.||Relational DBMS|
|Secondary database models||Document store|
Graph DBMS with Apache Age
Graph DBMS with SAP Hana, Enterprise Edition
|Developer||Microsoft||PostgreSQL Global Development Group www.postgresql.org/developer||SAP|
|Initial release||1989||1989 1989: Postgres, 1996: PostgreSQL||2010|
|Current release||SQL Server 2022, November 2022||15.3, May 2023||2.0 SPS06 (March 4, 2022), March 2022|
|License Commercial or Open Source||commercial restricted free version is available||Open Source BSD||commercial|
|Cloud-based only Only available as a cloud service||no||no||no also available as a cloud based service|
|DBaaS offerings (sponsored links) Database as a Service|
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|Server operating systems||Linux|
|Appliance or cloud-service|
|Typing predefined data types such as float or date||yes||yes||yes|
|XML support Some form of processing data in XML format, e.g. support for XML data structures, and/or support for XPath, XQuery or XSLT.||yes||yes specific XML-type available, but no XML query functionality.||no|
|SQL Support of SQL||yes||yes standard with numerous extensions||yes|
|APIs and other access methods||ADO.NET|
Tabular Data Stream (TDS)
native C library
streaming API for large objects
|Supported programming languages||C#|
|Server-side scripts Stored procedures||Transact SQL, .NET languages, R, Python and (with SQL Server 2019) Java||user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc.||SQLScript, R|
|Partitioning methods Methods for storing different data on different nodes||tables can be distributed across several files (horizontal partitioning); sharding through federation||partitioning by range, list and (since PostgreSQL 11) by hash||yes|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, but depending on the SQL-Server Edition||Source-replica replication other methods possible by using 3rd party extensions||yes|
|MapReduce Offers an API for user-defined Map/Reduce methods||no||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||yes||yes|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID||ACID||ACID|
|Concurrency Support for concurrent manipulation of data||yes||yes||yes|
|Durability Support for making data persistent||yes||yes||yes|
|In-memory capabilities Is there an option to define some or all structures to be held in-memory only.||yes||no||yes|
|User concepts Access control||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard||yes|
More information provided by the system vendor
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|Related products and services|
|3rd parties||SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.|
Navicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.
DBHawk: Secure access to SQL, NoSQL and Cloud databases with an all-in-one solution.
Navicat for SQL Server gives you a fully graphical approach to database management and development.
|Datasentinel: Platform for Monitoring and Analyzing the performance problems of your PostgreSQL Clusters|
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Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
SQLFlow: Provides a visual representation of the overall flow of data. Automated SQL data lineage analysis across Databases, ETL, Business Intelligence, Cloud and Hadoop environments by parsing SQL Script and stored procedure.
Aiven for PostgreSQL: The familiar open source PostgreSQL® that you know and love, with no proprietary features or add-ons that will lock you in.
pgDash: In-Depth PostgreSQL Monitoring.
DbVisualizer is equipping database professionals with the tools they need to build, manage and maintain state-of-the-art database technologies. It has sky-high user satisfaction and is the preferred tool for database professionals around the world. Customers include Tesla, Apple, Facebook, Deutsche Bank, NASA, and 25,000 others in 145 countries.
|CData: Connect to Big Data & NoSQL through standard Drivers.|
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Microsoft SQL Server||PostgreSQL||SAP HANA|
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