DBMS > Oracle vs. PostgreSQL vs. STSdb
System Properties Comparison Oracle vs. PostgreSQL vs. STSdb
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|Editorial information provided by DB-Engines|
|Name||Oracle Xexclude from comparison||PostgreSQL Xexclude from comparison||STSdb Xexclude from comparison|
|Description||Widely used RDBMS||Widely used open source RDBMS Developed as objectoriented DBMS (Postgres), gradually enhanced with 'standards' like SQL||Key-Value Store with special method for indexing optimized for high performance using a special indexing method|
|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.||Key-value store|
|Secondary database models||Document store|
Graph DBMS with Oracle Spatial and Graph
RDF store with Oracle Spatial and Graph
|Developer||Oracle||PostgreSQL Global Development Group www.postgresql.org/developer||STS Soft SC|
|Initial release||1980||1989 1989: Postgres, 1996: PostgreSQL||2011|
|Current release||19c, February 2019||12.0, October 2019|
|License Commercial or Open Source||commercial restricted free version is available||Open Source BSD||Open Source GPLv2, commercial license available|
|Cloud-based only Only available as a cloud service||no||no||no|
|DBaaS offerings (sponsored links) Database as a Service|
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|Implementation language||C and C++||C||C#|
|Server operating systems||AIX|
|Data scheme||yes Schemaless in JSON and XML columns||yes||yes|
|Typing predefined data types such as float or date||yes||yes||yes primitive types and user defined types (classes)|
|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.|
|SQL Support of SQL||yes with proprietary extensions||yes standard with numerous extensions||no|
|APIs and other access methods||JDBC|
Oracle Call Interface (OCI)
native C library
streaming API for large objects
|.NET Client API|
|Supported programming languages||C|
|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.||no|
|Partitioning methods Methods for storing different data on different nodes||horizontal partitioning with the optional Oracle Partitioning||partitioning by range, list and (since PostgreSQL 11) by hash||none|
|Replication methods Methods for redundantly storing data on multiple nodes||Master-master replication|
|Master-slave replication other methods possible by using 3rd party extensions||none|
|MapReduce Offers an API for user-defined Map/Reduce methods||no can be realized in PL/SQL||no||no|
|Consistency concepts Methods to ensure consistency in a distributed system||Immediate Consistency||Immediate Consistency|
|Foreign keys Referential integrity||yes||yes||no|
|Transaction concepts Support to ensure data integrity after non-atomic manipulations of data||ACID isolation level can be parameterized||ACID||no|
|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 Version 12c introduced the new option 'Oracle Database In-Memory'||no|
|User concepts Access control||fine grained access rights according to SQL-standard||fine grained access rights according to SQL-standard||no|
|More information provided by the system vendor|
|Specific characteristics||Oracle Database (commonly referred to as Oracle RDBMS or simply as Oracle) is a multi-model...|
|Licensing and pricing models||Oracle Database Cloud Services Customers can choose from a wide range of database...|
We invite representatives of system vendors to contact us for updating and extending the system information,
|Related products and services|
|3rd parties||DBHawk: a web-based Oracle database management and self-service BI software.|
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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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2ndQuadrant: PostgreSQL Solutions for the Enterprise.
Azure Database for PostgreSQL provides fully managed, enterprise-ready community PostgreSQL database as a service
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pgDash: In-Depth PostgreSQL Monitoring.
We invite representatives of vendors of related products to contact us for presenting information about their offerings here.
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