def clean_all(self):
        """
        *clean and sync all the bookkeeping tables*

        **Return:**
            - ``bookkeeper``

        **Usage:**

            .. code-block:: python 

                from rockAtlas.bookkeeping import bookkeeper
                bk = bookkeeper(
                    log=log,
                    settings=settings,
                    fullUpdate=False
                )
                bk.clean_all()
        """
        self.log.info('starting the ``get`` method')

        if self.fullUpdate:
            recent = False
        else:
            recent = True

        self.import_new_atlas_pointings(recent)
        self._run_bookkeeping_sql_scripts()

        self.log.info('completed the ``get`` method')
        return bookkeeper
*clean and sync all the bookkeeping tables*

        **Return:**
            - ``bookkeeper``

        **Usage:**

            .. code-block:: python 

                from rockAtlas.bookkeeping import bookkeeper
                bk = bookkeeper(
                    log=log,
                    settings=settings,
                    fullUpdate=False
                )
                bk.clean_all()