DBMS > Microsoft SQL Server vs. PostgreSQL vs. Stardog
System Properties Comparison Microsoft SQL Server vs. PostgreSQL vs. Stardog
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|Editorial information provided by DB-Engines|
|Name||Microsoft SQL Server Xexclude from comparison||PostgreSQL Xexclude from comparison||Stardog Xexclude from comparison|
|Description||Microsofts relational DBMS||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||Enterprise Knowledge Graph and graph DBMS with high availability and high performance reasoning|
|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.||Graph DBMS|
|Secondary database models||Document store|
|Developer||Microsoft||PostgreSQL Global Development Group www.postgresql.org/developer||Stardog-Union|
|Initial release||1989||1989 1989: Postgres, 1996: PostgreSQL||2010|
|Current release||SQL Server 2019, November 2019||12.0, October 2019||6.2.3, July 2019|
|License Commercial or Open Source||commercial restricted free version is available||Open Source BSD||commercial 60-day fully-featured trial license; 1-year fully-featured non-commercial use license for academics/students|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
Providers of DBaaS offerings, please contact us to be listed.
|Server operating systems||Linux|
|Data scheme||yes||yes||schema-free and OWL/RDFS-schema support|
|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 Import/export of XML data possible|
|Secondary indexes||yes||yes||yes supports real-time indexing in full-text and geospatial|
|SQL Support of SQL||yes||yes standard with numerous extensions||SPARQL is used as query language|
|APIs and other access methods||ADO.NET|
Tabular Data Stream (TDS)
native C library
streaming API for large objects
|GraphQL query language|
Jena RDF API
Sesame REST HTTP Protocol
|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.||user defined functions and aggregates, HTTP Server extensions in Java|
|Triggers||yes||yes||yes via event handlers|
|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||none|
|Replication methods Methods for redundantly storing data on multiple nodes||yes, but depending on the SQL-Server Edition||Master-slave replication other methods possible by using 3rd party extensions||Master-master replication in HA-Cluster|
|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 in HA-Cluster|
|Foreign keys Referential integrity||yes||yes||yes relationships in graphs|
|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||Access rights for users and roles|
|More information provided by the system vendor|
|Microsoft SQL Server||PostgreSQL||Stardog|
|Specific characteristics||Stardog is a knowledge graph platform backed by a performant, scalable graph database....|
|Competitive advantages||Stardog is uniquely designed to aid in data integration for your complex data. Benefits...|
|Typical application scenarios||Stardog is frequently used for: Anti-money laundering & fraud monitoring Customer...|
|Key customers||Bosch, Dow Jones, Elsevier, Ericsson, Morgan Stanley, NASA, NIH, Nokia, Salesforce,...|
|Market metrics||Stardog's technology is based on ground-breaking research by our founders cited 10,000+...|
|Licensing and pricing models||A fully-featured 60-day Trial license is available for those testing Stardog; contact...|
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||Navicat Monitor is a safe, simple and agentless remote server monitoring tool for SQL Server and many other database management systems.|
General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.
DBHawk is a web-based data management Tool for a SQL Server database.
Navicat for SQL Server gives you a fully graphical approach to database management and development.
Dremio is like magic for SQL Server accelerating your analytical queries up to 1,000x.
ERBuilder provides all the features you would expect from a professional database modeling and design tool.
SQLPro for MSSQL: A simple but powerful Microsoft SQL Server database client available on iPhone and iPad as well as macOS.
|General SQL Parser: Instantly adding parsing, decoding, analysis and rewrite SQL processing capability to your products.|
DBHawk: a web-based PostgreSQL/Greenplum database tool. Boost database development and BI productivity with an online Universal database tool.
SQLPro for PostgreSQL: A simple but powerful PostgreSQL database client available on iPhone and iPad as well as macOS.
Navicat for PostgreSQL is an easy-to-use graphical tool for PostgreSQL database development.
Dremio is like magic for PostgreSQL accelerating your analytical queries up to 1,000x.
pgDash: In-Depth PostgreSQL Monitoring.
Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service
2ndQuadrant: PostgreSQL Solutions for the Enterprise.
CYBERTEC: your professional partner for PostgreSQL services and Data Science based on PostgreSQL since 2000. With offices in Austria, Uruguay, Estonia and Switzerland, CYBERTEC operates worldwide!
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
|Microsoft SQL Server||PostgreSQL||Stardog|
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