//                                                                             DB Meta
    //                                                                             =======
    @Override
    public GroupDbm asDBMeta() {
        return GroupDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "group";
    }

    //                                                                             DB Meta
    //                                                                             =======
    @Override
    public CrawlingInfoParamDbm asDBMeta() {
        return CrawlingInfoParamDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "crawling_info_param";
    }

    //                                                                             Control
    //                                                                             =======
    @Override
    public ElevateWordToLabelDbm asDBMeta() {
        return ElevateWordToLabelDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "elevate_word_to_label";
    }

    @Override

    //                                                                             DB Meta
    //                                                                             =======
    @Override
    public CrawlingInfoDbm asDBMeta() {
        return CrawlingInfoDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "crawling_info";
    }

    //                                                                             Control
    //                                                                             =======
    @Override
    public ElevateWordDbm asDBMeta() {
        return ElevateWordDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "elevate_word";
    }

    @Override
    public boolean hasSpecifiedColumn() {

    //                                                                             Control
    //                                                                             =======
    @Override
    public FileAuthenticationDbm asDBMeta() {
        return FileAuthenticationDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "file_authentication";
    }

    @Override

    //                                                                             Control
    //                                                                             =======
    @Override
    public AccessTokenDbm asDBMeta() {
        return AccessTokenDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "access_token";
    }

    @Override
    public boolean hasSpecifiedColumn() {

    //                                                                             Control
    //                                                                             =======
    @Override
    public LabelTypeDbm asDBMeta() {
        return LabelTypeDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "label_type";
    }

    @Override
    public boolean hasSpecifiedColumn() {

    //                                                                             Control
    //                                                                             =======
    @Override
    public UserInfoDbm asDBMeta() {
        return UserInfoDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "user_info";
    }

    @Override
    public boolean hasSpecifiedColumn() {

    //                                                                             Control
    //                                                                             =======
    @Override
    public GroupDbm asDBMeta() {
        return GroupDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "group";
    }

    @Override
    public boolean hasSpecifiedColumn() {