no User concepts Access control Users with fine-grained authorization concept fine grained access rights according to SQL-standard More information provided by the system vendor Triggers no yes Partitioning methods Methods for storing different data on different nodes Sharding partitioning by range, list and (since PostgreSQL 11) by hash Replication methods Methods for redundantly storing data on multiple nodes Source-replica replication Source-replica replication other methods possible by using 3rd party extensions MapReduce Offers an API for user-defined Map/Reduce methods yes no Consistency concepts Methods to ensure consistency in a distributed system Immediate Consistency Foreign keys Referential integrity no yes Transaction concepts Support to ensure data integrity after non-atomic manipulations of data ACID ACID Concurrency Support for concurrent manipulation of data yes yes Durability Support for making data persistent yes yes In-memory capabilities Is there an option to define some or all structures to be held in-memory only. Tcl Server-side scripts Stored procedures yes 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 yes standard with numerous extensions APIs and other access methods JDBC yes specific XML-type available, but no XML query functionality. support for XML data structures, and/or support for XPath, XQuery or XSLT.
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Windows Data scheme yes 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 Server operating systems Linux included in appliance FreeBSD ScaleGrid for PostgreSQL: Fully managed PostgreSQL hosting on AWS, Azure and DigitalOcean with high availability and SSH access on the #1 multi-cloud DBaaS. Providers of DBaaS offerings, please contact us to be listed.
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Spatial DBMS DB-Engines Ranking measures the popularity of database management systems Trend Chart Score 20.02 Rank #36 Overall #22 Relational DBMS Score 614.46 Rank #4 Overall #4 Relational DBMS Website Technical documentation Developer IBM PostgreSQL Global Development Group Initial release 2000 1989 1989: Postgres, 1996: PostgreSQL Current release 14.2, February 2022 License Commercial or Open Source commercial Open Source BSD Cloud-based only Only available as a cloud service no no DBaaS offerings (sponsored links) Database as a Service Handling of key/value pairs with hstore module.
Editorial information provided by DB-Engines Name Netezza Also called PureData System for Analytics by IBM X exclude from comparison PostgreSQL X exclude from comparison Description Data warehouse and analytics appliance part of IBM PureSystems 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 Netezza and PostgreSQL with Oracle, Snowflake and IBM Db2. Please select another system to include it in the comparison. PostgreSQL System Properties Comparison Netezza vs.
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