delete

 public boolean DelDescansoMedico(String c) throws Exception {
        DescansoMedicoBean b = null;
       StringBuilder sbSQL = new StringBuilder();
        sbSQL.append("DELETE FROM TBMOVDESCANSOMEDICO WHERE DSM_CORREL = ?");
        PreparedStatement pstm = null;
        int res = 0;
        try {
            pstm = getConexion().prepareStatement(sbSQL.toString());
            pstm.setString(1, c);
            res = pstm.executeUpdate();

        } catch (Exception e) {
            e.printStackTrace();
        }
        return res ==1;
    }