Something like this should do it:

<CFQUERY name="login" datasource="#dsn#">
SELECT *
FROM Users
WHERE UserName='#username#'
AND Pwd = '#pwd#'
</CFQUERY>

Of course your...

That's not a question anyone can answer. Google doesn't share that information. It depends on many things. What ads are displayed, what type of site they are displayed on, etc.

You could see positive upward movement in the SERPS long before you see it reflected on either the toolbar's PR or in the backlinks that Google shows for your site. So keep an eye out for progress...