title: sql : select some column which I don't know the entire name
body: <p>I have a table like that :</p>
  
  <pre><code>id exemple_ABC tr_ABC exemple_BCD tr_BCD ....
  </code></pre>
  
  <p>I want to SELECT all of the column beginning by "exemple_"
  I try :</p>
  
  <pre><code>SELECT exemple_* FROM myTable
  or
  SELECT exemple_% FROM myTable
  </code></pre>
  
  <p>But all of this doesn't work...</p>