/** * only for sql statements UPDATE, INSERT, DELETE. * * @param sql * @throws SQLException */ public static void executeUpdate(String sql) { Connection con = null; Statement st = null; DatabaseConnect.dbConnect(); con = DatabaseConnect.getConnection(); try { st = con.createStatement(); st.executeUpdate(sql); } catch (SQLException e) { // TODO Auto-generated catch block e.printStackTrace(); } }
public static ResultSet execute(String sql) { Connection con = null; Statement st = null; DatabaseConnect.dbConnect(); con = DatabaseConnect.getConnection(); ResultSet rs = null; try { st = con.createStatement(); rs = st.executeQuery(sql); } catch (SQLException e) { e.printStackTrace(); } return rs; }