e. An example of a foreign
key in our data model is the <code>from_id</code>. </font></li></ul>
<font color="black">We are using a
naming convention of always calling the primary key field name
<tt>id</tt> and appending the suffix <code>_id</code> to any field name
that is a foreign key.</font><br />
<br />
<a name="toc163"></a>
<h2><font color="black"><a name="htoc181">14.10</a>&nbsp;&nbsp;Using JOIN to retrieve data</font></h2>
<font color="black">Now that we have followed the rules of database normalizat