For reference only

BotUser: DB ADD Show+Variables N~ (= Nick), C~ (= Chan), T~ (= Time/date) B~ (= Botnick), Q~ (= Question asked), R~ (= random nick), !~ (= command char), S~ (= current Server), P~ (= current port) V~ (= botVer), W~ (= db WWW site), H~ (= u@h), h~ (= user's u@h without the suffix ~ if present), t~ (= unixtime), BAN (=sets a ban), TEMPBAN (= bans for 60 sec).
DB: BotUser: Okay.
BotUser: Show Variables
<DB> BotUser (= Nick), #Darkbot (= Chan), Wed May 14 22:55:37 2014 (= Time/date) DB (= Botnick),  (= Question asked), BotUser (= random nick), ! (= command char), 192.168.1.100 (= current Server), 6667 (= current port) Darkbot 8rc4 (= botVer), http://darkbot.sourceforge.net (= db WWW site), lcb@computer.home (= u@h), UserABC@computer.home (= user's u@h without the suffix ~ if present), 1400104537 (= unixtime), BAN (=s ets a ban), TEMPBAN (= bans

... BAN and TEMPBAN not tested here.
... Variable h~ is not in the command helps but I'd cover all those later. In fact thw way I'm rebuilding the command help pages would help devs to check what is & and what isn't missing.