The pg_visibility module provides a means for examining the visibility map (VM) and page-level visibility information. It also provides functions

Every table has several system columns that are implicitly defined by the system. Therefore, these names cannot be used as names of user-defined columns

The pg_prepared_statements view displays all the prepared statements that are available in the current session. See

Reliability is an important property of any serious database system, and PostgreSQL does everything possible to guarantee reliable operation

The intarray module provides a number of useful functions and operators for manipulating null-free arrays of integers. There is also support for

Table C-1 lists all tokens that are key words in the SQL standard and in PostgreSQL 9.6.0. Background information can be found in Section 4

The catalog pg_operator stores information about operators. See CREATE

NameDROP TABLE -- remove a table Synopsis

auth_delay causes the server to pause briefly before reporting authentication failure, to make brute-force attacks on database passwords more

NameCREATE TABLE AS -- define a new table from the results of a query Synopsis