Oceans Apart: If it's still under the account they are still using. For example, this current account is different from my AD account. So any posts under AD I couldn't touch (except if I'm BB....hey wait, I am!) ;)
But as a regular member of a board, you can delete any post of your own no matter how old. I may see if I can delete the whole database anyway.
(Cacher) Si vous ne voulez pas que les autres utilisateurs sachent ce que vous êtes en train de faire sur ce site, vous pouvez changer les réglages (abonnés seulement) en activant le mode invisible. (pauloaguia) (Montrer toutes les astuces)