![]() Tcl Server-side scripts Stored procedures PL/SQL also stored procedures in Java possible user defined functions realized in proprietary language PL/pgSQL or with common languages like Perl, Python, Tcl etc. ![]() Streaming API for large objects Supported programming languages C Secondary indexes yes yes SQL Support of SQL yes with proprietary extensions yes standard with numerous extensions APIs and other access methods JDBC yes yes specific XML-type available, but no XML query functionality. support for XML data structures, and/or support for XPath, XQuery or XSLT. Windows Data scheme yes Schemaless in JSON and XML columns yes Typing predefined data types such as float or date yes yes XML support Some form of processing data in XML format, e.g. Implementation language C and C++ C Server operating systems AIX Leverage any extension and get SSH access. ScaleGrid for PostgreSQL: Fully managed PostgreSQL DBaaS hosting On-Premises and on clouds such as AWS, Azure, GCP and DigitalOcean with no vendor lock-in. Providers of DBaaS offerings, please contact us to be listed. ![]() Spatial DBMS DB-Engines Ranking measures the popularity of database management systems Trend Chart Score 1256.01 Rank #1 Overall #1 Relational DBMS Score 617.83 Rank #4 Overall #4 Relational DBMS Website Technical documentation /en/database Developer Oracle PostgreSQL Global Development Group Initial release 1980 1989 1989: Postgres, 1996: PostgreSQL Current release 21c, January 2021 15.3, May 2023 License Commercial or Open Source commercial restricted free version is available Open Source BSD Cloud-based only Only available as a cloud service no no DBaaS offerings (sponsored links) Database as a Service Spatial DBMS with Oracle Spatial and Graph Document store Handling of key/value pairs with hstore module. Editorial information provided by DB-Engines Name Oracle X exclude from comparison PostgreSQL X exclude from comparison Description Widely used RDBMS Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL Primary database model Relational DBMS Relational DBMS with object oriented extensions, e.g.: user defined types/functions and inheritance. Our visitors often compare Oracle and PostgreSQL with MySQL, Microsoft SQL Server and MongoDB. Please select another system to include it in the comparison. PostgreSQL System Properties Comparison Oracle vs.
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