<?xml version="1.0"?>
<employees>
  <employee xmlns:sql="http://boojum.org.uk/NS/XMLServer">
    <id>2</id>
    <birthday>1963-01-01</birthday>
  </employee>
  <employee xmlns:sql="http://boojum.org.uk/NS/XMLServer">
    <id>4</id>
    <birthday>1976-02-28</birthday>
  </employee>
  <employee xmlns:sql="http://boojum.org.uk/NS/XMLServer">
    <id>5</id>
    <birthday>1976-02-29</birthday>
  </employee>
</employees>