Actually it usually ends up being much simpler than a compiled language. Something like this:

    delete from schema.hr.employee

    where employee.employee_type = 'Lecturer'

    having rownum = cast(dbms_random.value(1,count(*)) as int)

Most Deans' computers have it mapped to alt-delete. They don't even know what it does-- it's just called the "reduce budget function". Which is really unfortunate because when they hit ctrl-alt-delete on a frozen system, but miss the ctrl key by accident, some poor lecturer gets fired and at the end of the semester the Dean says "Huh, wonder where that budget surplus came from.".

Once an entire physics department was disbanded when their Dean's keyboard had a broken ctrl key.