psql --echo-errors
-a, --echo-all echo all input from script -b, --echo-errors echo failed commands -e, --echo-queries echo commands sent to server -E, --echo-hidden display queries that internal commands generate
psql
.psqlrc, .pgpass
$HOME/.pg service.conf
-U, -W, -d
\du, \dg, \ddp, \dp, \list, \dn, \dt, \c, \l, \di, \q
show users
show
su - postgres
psql -c, \?, \connect, \conninfo
--version, --help
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