.pgaw:Help.f.t insert end "will display the current configuration parameters for variable during a session. 

The session can be configured using SET statement, and values can be restored to the defaults using RESET statement. Parameters and values are case-insensitive. 

" {} "Synopsis" {bold} "

SHOW variable

" {} "Usage" {bold} "
" {} "
-- show DateStyle;
SHOW DateStyle;
NOTICE:DateStyle is Postgres with US (NonEuropean) conventions

-- show Geqo;
SHOW GEQO;
NOTICE:GEQO is ON

" {code} "Notes" {bold} "

The SHOW is a Postgres language extension. 

Refer to SET/RESET to set/reset variable values. See also SET TIME ZONE. "