title: using JdcbTemplate standalone
body: <p>We are looking into using the JdbcTemplate for accessing the DB - but we have many different DB-connections, that each class could use, so injecting the jdbcTemplate is not an option atm. So if we do a </p>
  
  <pre><code>jdbcTemplate = new JdbcTemplate(dataSource);
  </code></pre>
  
  <p>what will the transaction policy be? Auto-commit is off in the DB.</p>