I don't understand why you would ever want to load the entire table into memory in the first place, it kind of defeats the purpose of a database in all but the most extreme of cases.
Between SQLDev and joligario all of the required info has already been posted, I just put it into a form here.
http://216.49.224.132/eq/playerprune.tar.gz
This lets you go by player level, total time played, last login time, and total platinum.
If you're hell bent on using some .net tool, maybe GeorgeS can adapt the queries in here to his GUI.
Consider it MIT or BSD licensed.
You'll need to populate db info in db.inc.php and then uncomment the actual query in dodelete.php.
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