 resumed as many times as you 
like with no loss of data.</font><br />
<br />
<a name="toc160"></a>
<h2><font color="black"><a name="htoc175">14.7</a>&nbsp;&nbsp;Basic data modeling</font></h2>
<font color="black">The real power of a relational database is when we make multiple tables
and make links between those tables. The act of deciding how to break
up your application data into multiple tables and establishing the
relationships between the two tables is called <b>data modeling</b>. The
design document 