PGConf.de 2025 is the next iteration of the PostgreSQL Conference Germany. It takes place in the "Berlin Marriott Hotel" in ...

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.

This release contains a few fixes from 17.1. For information about new features in major release 17, see Section E.3.

CREATE TRIGGER creates a new trigger. The trigger will be associated with the specified table, view, or foreign table and will execute the specified function function_name when certain operations are ...

The first time a user-defined function in a particular loadable object file is called in a session, the dynamic loader loads that object file into memory so that the function can be called. The CREATE ...

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 ...

As we saw in the previous section, the query planner needs to estimate the number of rows retrieved by a query in order to make good choices of query plans. This section provides a quick look at the ...

7.2.3. The GROUP BY and HAVING Clauses The FROM Clause derives a table from one or more other tables given in a comma-separated table reference list. When a table reference names a table that is the ...

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, ...

This section describes the detailed format of each message. Each is marked to indicate that it can be sent by a frontend (F), a backend (B), or both (F & B). Notice that although each message includes ...