title: Ruby and money, in a rails app, how to store money values in the db?
body: <p>I want to make sure I don't have rounding issues when it comes to storing prices for products in a rails app.</p>
  
  <p>What mysql datatype should I use, and what does it map to in rails?</p>
  
  <p>I want decimal with 10 places for precision.</p>