title: how to insert data into sqlite using qt
body: <p>how to insert the data into <code>sqlite</code> using <code>qt</code>:  </p>
  
  <pre><code>query = QSqlQuery("INSERT INTO customer_details (rationcard_num, aadharcard_num, name) 
      values('"+rationcard_num+"','"+aadharcard_num+"','"+name+"')");
  </code></pre>