private boolean executeSqlFile(String path){
        try{
            BufferedReader br = new BufferedReader(new FileReader(path));
            String str;
            StringBuilder sb = new StringBuilder();
            while ((str = br.readLine()) != null) {
                sb.append(str + "\n ");
            }
            br.close();
            Statement st = this.con.createStatement();
            st.execute(sb.toString());
            return true;
        } 
        catch (IOException | SQLException ex) {
            System.err.println(ex.getMessage());
            return false;
        }
    }