title: multiplicity between tables on edmx shema
body: <p>I'm trying to understand an .edmx shema and i don't know what exactly means the "->" on the table name and what kind of multiplicity is.
  I haven't saw something like this before..can you help me?</p>
  
  <p>.edmx photo:
  <a href="http://imageshack.us/photo/my-images/706/50490471.png/" rel="nofollow">http://imageshack.us/photo/my-images/706/50490471.png/</a></p>