SHOW(7) SQL Commands SHOW(7)
NAME
SHOW - show the value of a run-time parameter
SYNOPSIS
SHOW name
SHOW ALL
INPUTS
name The name of a run-time parameter. See SET [set(7)] for a list.
ALL Show all current session parameters.
DESCRIPTION
SHOW will display the current setting of a run-time parameter. These variables can be set using the SET statement, by editing the post-
gresql.conf, through the PGOPTIONS environmental variable, or through a command-line flag when starting the postmaster.
Even with autocommit set to off, SHOW does not start a new transaction block. See the autocommit section of the Administrator's Guide for
details.
DIAGNOSTICS
ERROR: Option 'name'
Message returned if name does not stand for an existing parameter.
EXAMPLES
Show the current DateStyle setting:
SHOW DateStyle;
DateStyle
---------------------------------------
ISO with US (NonEuropean) conventions
(1 row)
Show the current genetic optimizer (geqo) setting:
SHOW GEQO;
geqo
------
on
(1 row)
Show all settings:
SHOW ALL;
name | setting
-------------------------------+---------------------------------------
australian_timezones | off
authentication_timeout | 60
checkpoint_segments | 3
.
.
.
wal_debug | 0
wal_sync_method | fdatasync
(94 rows)
COMPATIBILITY
The SHOW command is a PostgreSQL extension.
SEE ALSO
The function current_setting produces equivalent output. See Miscellaneous Functions in the PostgreSQL User's Guide.
SQL - Language Statements 2002-11-22 SHOW(7)
