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Just pulled out some of my old interview questions/tests. Too bad it's all C or assember. Here's a good "old" simple one.
$i=1;
$i=$i++ + ++$i;
echo $i;
what gets displayed?
Seriously, if he/she's going to be designing your databases, then having them do up a "simple" bookstore DB for you would be a very good idea. If they do it with 1 or 2 tables you've got a problem.
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