postgres psql config https://www.citusdata.com/blog/2017/07/16/customizing-my-postgres-shell-using-psqlrc/

.psqlrc

\set QUIET 1
\pset null '¤'

\set PROMPT1 '%[%033[1m%][%/] # '
-- SELECT * FROM<enter>. %R shows what type of input it expects.
\set PROMPT2 '... > '

\timing

\x auto
\set VERBOSITY verbose
\set HISTFILE ~/.psql_history- :DBNAME
\set HISTCONTROL ignoredups
\set COMP_KEYWORD_CASE upper
\unset QUIET