The isn module provides data types for the following international product numbering standards: EAN13, UPC, ISBN (books), ISMN (music), and ISSN

The spi module provides several workable examples of using SPI and triggers. While these functions are of some value in their own right, they

adminpack provides a number of support functions which pgAdmin and other administration and management tools

btree_gin provides sample GIN operator classes that implement B-tree equivalent behavior for the data types int2,

The citext module provides a case-insensitive character string type, citext. Essentially, it internally calls

This module implements a data type ltree for representing labels of data stored in a hierarchical tree-like structure. Extensive facilities for searching

The sslinfo module provides information about the SSL certificate that the current client provided when connecting to

The pgstattuple module provides various functions to obtain tuple-level statistics. F

The date/time type inputs are all decoded using the following procedure. Break the input

The pgrowlocks module provides a function to show row locking information for a specified table.