PostgreSQL is a powerful, open source object-relational database system with over 35 years of active development that has earned it a strong reputation for reliability, feature robustness, and ...

Devart, a recognized vendor of world-class data connectivity solutions for various data connection technologies and frameworks, released an updated version ...

The CERN PGDay builds on the experience of past PostgreSQL events at CERN and a newly establish collaboration with SwissPUG.

RETURN with an expression terminates the function and returns the value of expression to the caller. This form is used for PL/pgSQL functions that do not return a set. In a function that returns a ...

ALTER LARGE OBJECT — change the definition of a large object ALTER MATERIALIZED VIEW — change the definition of a materialized view ALTER OPERATOR — change the definition of an operator ALTER OPERATOR ...

This function opens a new database connection using the parameters taken from two NULL-terminated arrays. The first, keywords, is defined as an array of strings, each one being a key word. The second, ...

CREATE FUNCTION defines a new function. CREATE OR REPLACE FUNCTION will either create a new function, or replace an existing definition. To be able to define a function, the user must have the USAGE ...

pg_upgrade (formerly called pg_migrator) allows data stored in PostgreSQL data files to be upgraded to a later PostgreSQL major version without the data dump/restore ...

The pg_stat_statements module provides a means for tracking planning and execution statistics of all SQL statements executed by a server. The statistics gathered by the module are made available via a ...

The SET TRANSACTION command sets the characteristics of the current transaction. It has no effect on any subsequent transactions. SET SESSION CHARACTERISTICS sets the default transaction ...

To initiate streaming replication, the frontend sends the replication parameter in the startup message. A Boolean value of true (or on, yes, 1) tells the backend to go into physical replication ...

The PostgreSQL Global Development Group (PGDG) takes security seriously. This allows our users to place their trust in PostgreSQL for protecting their mission-critical data. The PostgreSQL Global ...