<h3>month() function</h3>
Extract the month part from a date, or the number of months
from a <code>Interval</code>

<h4>Syntax</h4>
<code>month(date)</code><br>
<code>month(Interval)</code><br>

<h4>Arguments</h4>
<code>date</code> - is date or datetime. The date to extract the month from.
<br>
<code>Interval</code> - is Interval. The Interval to return the number of months from.

<h4>Example</h4>
<!-- Show example of function.-->
<code>month('2012-05-12') &rarr; 05</code><br>
<code>month(tointerval('3 months')) &rarr; 3</code><br>
<code>month(age('2012-01-01','2010-01-01')) &rarr; 4.033...</code><br>