title: Undefined function 'select' for input arguments of type 'database.jdbc.connection'
body: <p>I am creating database connection with method of</p>
  
  <pre><code>&gt;&gt; conn = database('MYDB','','','org.h2.Driver','jdbc:h2:file:mypath')
  </code></pre>
  
  <p>and this command apparently works. Then I try to</p>
  
  <pre><code>&gt;&gt; selectquery = 'SELECT * FROM IMAGE';
  &gt;&gt; data = select(conn,selectquery);
  </code></pre>
  
  <p>and this fails with</p>
  
  <blockquote>
    <p>Undefined function 'select' for input arguments of type
    'database.jdbc.connection'.</p>
  </blockquote>
  
  <p>Why? What does it want? How to select from JDBC database in Matlab?</p>