Don't allow for aliases that match snippet acronyms
What I sometimes run into, is that a table gets an alias (by SQL prompt), that matches an acronym for a snippet. Then, whenever I'm writing out my query, while calling the table by alias, snippet manager replaces the alias with the full snippet. Which can be annoying as Ctrl-Z doesn't work.
My suggestion would be to check the snippet manager before assigning aliases and not have them overlap.
Yes, this does happen easily and sometimes insert enough code to really get you lost without an easy undo option.