code: def to_bigquery_ddl(self, name_case=DdlParseBase.NAME_CASE.original):
          
  
          if self.schema is None:
              dataset = "dataset"
          elif name_case == self.NAME_CASE.lower:
              dataset = self.schema.lower()
          elif name_case == self.NAME_CASE.upper:
              dataset = self.schema.upper()
          else:
              dataset = self.schema
  
          cols_defs = []
          for col in self.columns.values():
              col_name = col.get_name(name_case)
  
              if col.array_dimensional < 1:
                  # no array data type
                  type = col.bigquery_standard_data_type
                  not_null = " NOT NULL" if col.not_null else ""
  
              else:
                  # one or multiple dimensional array data type
                  type_front = "ARRAY<"
                  type_back = ">"
                  for i in range(1, col.array_dimensional):
                      type_front += "STRUCT<dimension_{} ARRAY<".format(i)
                      type_back += ">>"
  
                  type = "{}{}{}".format(type_front, col.bigquery_standard_data_type, type_back)
                  not_null = ""
  
              cols_defs.append("{name} {type}{not_null}".format(
                  name=col_name,
                  type=type,
                  not_null=not_null,
              ))
  
          return textwrap.dedent(
              """\
              #standardSQL
              CREATE TABLE `project.{dataset}.{table}`
              (
                {colmns_define}
              )""").format(
              dataset=dataset,
              table=self.get_name(name_case),
              colmns_define=",\n  ".join(cols_defs),
          )
docs: Generate BigQuery CREATE TABLE statements
  
          :param name_case: name case type
              * DdlParse.NAME_CASE.original : Return to no convert
              * DdlParse.NAME_CASE.lower : Return to lower
              * DdlParse.NAME_CASE.upper : Return to upper
  
          :return: BigQuery CREATE TABLE statements