def METHOD_NAME(num_pieces_base):
    tables = {}
    tables["customer"] = ("c", num_pieces_base, load_customer)
    tables["lineitem"] = ("L", num_pieces_base * 10, load_lineitem_with_date)
    tables["nation"] = (
        "n",
        1,
        load_nation,
    )  # * dbgen only produces one file for nation with SF1000 *
    tables["orders"] = ("O", num_pieces_base, load_orders_with_date)
    tables["part"] = ("P", num_pieces_base, load_part)
    tables["partsupp"] = ("S", num_pieces_base, load_partsupp)
    tables["region"] = (
        "r",
        1,
        load_region,
    )  # * dbgen only produces one file for region with SF1000 *
    tables["supplier"] = ("s", num_pieces_base // 100, load_supplier)
    return tables