title: MySQL output masking (i.e. phone number, SSN, etc. display formatting)
body: <p>Is there a built-in SQL function that will mask output data?</p>
  
  <p>Let's say I have an integer column, that represents a phone number (for any country). Is there a better way to display the numbers than sub-stringing them apart, loading hashes, dashes and dot, then concatenating them back together?</p>
  
  <p>I know several languages have a feature to simply mask the data as it is displayed instead of restructuring it. Does MySQL have something similar?</p>