text: ALTER TABLE
    `test-project-335210.recipe_staging_dataset.dataset_ayam` ADD COLUMN
  IF NOT EXISTS Main_Ingredient STRING;
  CREATE OR REPLACE TABLE
    `test-project-335210.recipe_dataset.D_dataset_ayam` AS
  SELECT
    IFNULL(Main_Ingredient,
      'Ayam') AS Main_Ingredient,
    Title AS Recipe_Title,
    Ingredients,
    Steps,
    Loves,
    URL
  FROM
    `test-project-335210.recipe_staging_dataset.dataset_ayam`;