The view pg_seclabels provides information about security labels. It as an easier-to-query version of the

The catalog pg_description stores optional descriptions (comments) for each database object. Descriptions can be manipulated with the

JSON data types are for storing JSON (JavaScript Object Notation) data, as specified in RFC 7159.

An index column need not be just a column of the underlying table, but can be a function or scalar expression computed from one or more columns of the table. This feature is

NameALTER OPERATOR -- change the definition of an operator Synopsis

The catalog pg_shseclabel stores security labels on shared database objects. Security labels can be manipulated with the

The functions and function-like expressions described in this section operate on values of type xml. Check

Authentication failures and related problems generally manifest themselves through error messages like the following:

The executor takes the plan created by the planner/optimizer and recursively processes it to extract the required set of rows. This is essentially

The catalog pg_am stores information about relation access methods. There is one row for each access method supported by the system. Currently