 ?DTIME ?BTIME))
&gt; &gt; &gt; &gt; &gt;
&gt; &gt; &gt; &gt; &gt;MW: Well that is fine of course (not wrong). However, in
&gt; &gt; this case
&gt; &gt; &gt; &gt; &gt;either all are going to be right, or wrong. So my
&gt; &gt; strategy would be
&gt; &gt; &gt; &gt; &gt;to eyeball the resultant data and do the same test,
&gt; &gt; rather than code
&gt; &gt; &gt; &gt; &gt;and check the constraint. Just more efficient in this
&gt; &gt; sort of case.
&gt; &gt; &gt; &gt; &gt;You still need to know that a birth da