SHOW SQL - Language Statements SHOW Shows run-time parameters SHOW name Inputs name The name of a run-time parameter. See for a list. Description SHOW will display the current setting of a run-time parameter. These variables can be set using the SET statement or are determined at server start. Diagnostics ERROR: not a valid option name: name Message returned if variable does not stand for an existing parameter. ERROR: permission denied You must be a superuser to be allowed to see certain settings. NOTICE: Time zone is unknown If the TZ or PGTZ environment variable is not set. Examples Show the current DateStyle setting: SHOW DateStyle; NOTICE: DateStyle is ISO with US (NonEuropean) conventions Show the current genetic optimizer (geqo) setting: SHOW GEQO; NOTICE: geqo = true Compatibility The SHOW command is a Postgres extension.