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2012-07-22 16:44:23 +10:00
<h3>age() function</h3>
Returns the difference between two dates.
<br><br>
The difference is returned as a <code>Interval</code>
and needs to be used with one of the following functions
in order to extract useful information:
<pre><code>
- year
- month
- week
- day
- hour
- minute
- second
</code></pre>
<h4>Syntax</h4>
<code>age(string,string)</code><br>
<code>age(datetime,datetime)</code><br>
<code>age(string,datetime)</code><br>
<code>age(datetime,string)</code><br>
<h4>Arguments</h4>
<code>string</code> - is string. A sting in date format.
<br>
<code>datetime</code> - is date or datetime. A date or datetime type.
<h4>Example</h4>
<!-- Show example of function.-->
<code>age('2012-05-12','2012-05-2') -> Interval</code><br>
use <code>day</code> to extract numbder of days<br>
<code>day(age('2012-05-12','2012-05-2')) -> 10</code><br>