Linux cli command SHOW

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command SHOW and provides detailed information about the command SHOW, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the SHOW.

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NAME 🖥️ SHOW 🖥️

show the value of a run-time parameter

SYNOPSIS

SHOW name
SHOW ALL

DESCRIPTION

SHOW will display the current setting of run-time parameters. These variables can be set using the SET statement, by editing the postgresql.conf configuration file, through the PGOPTIONS environmental variable (when using libpq or a libpq-based application), or through command-line flags when starting the postgres server. See Chapter 20 for details.

PARAMETERS

name

The name of a run-time parameter. Available parameters are documented in Chapter 20 and on the SET(7) reference page. In addition, there are a few parameters that can be shown but not set:

SERVER_VERSION

Shows the servers version number.

SERVER_ENCODING

Shows the server-side character set encoding. At present, this parameter can be shown but not set, because the encoding is determined at database creation time.

LC_COLLATE

Shows the databases locale setting for collation (text ordering). At present, this parameter can be shown but not set, because the setting is determined at database creation time.

LC_CTYPE

Shows the databases locale setting for character classification. At present, this parameter can be shown but not set, because the setting is determined at database creation time.

IS_SUPERUSER

True if the current role has superuser privileges.

ALL

Show the values of all configuration parameters, with descriptions.

NOTES

The function current_setting produces equivalent output; see Section 9.27.1. Also, the pg_settings system view produces the same information.

EXAMPLES

Show the current setting of the parameter DateStyle:

SHOW DateStyle; DateStyle ———– ISO, MDY (1 row)

Show the current setting of the parameter geqo:

SHOW geqo; geqo —— on (1 row)

Show all settings:

SHOW ALL; name | setting | description ————————-+———+————————————————- allow_system_table_mods | off | Allows modifications of the structure of … . . . xmloption | content | Sets whether XML data in implicit parsing … zero_damaged_pages | off | Continues processing past damaged page headers. (196 rows)

COMPATIBILITY

The SHOW command is a PostgreSQL extension.

SEE ALSO

SET(7), RESET(7)

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