docs: def _get_insert_commands(self, rows, cols):
          """Retrieve dictionary of insert statements to be executed."""
          # Get insert queries
          insert_queries = {}
          for table in tqdm(list(rows.keys()), total=len(list(rows.keys())), desc='Getting insert rows queries'):
              insert_queries[table] = {}
              _rows = rows.pop(table)
              _cols = cols.pop(table)
  
              if len(_rows) > 1:
                  insert_queries[table]['insert_many'] = self.insert_many(table, _cols, _rows, execute=False)
              elif len(_rows) == 1:
                  insert_queries[table]['insert'] = self.insert(table, _cols, _rows, execute=False)
          return insert_queries