title: If the record exists in target but doesn't exist in source, i need to delete it
body: <p>So, i have two tables, the target table and the source one. I need to delete the rows that exists in the target table, but doesn't exists in the source table.</p>
  
  <p>And the code:</p>
  
  <pre><code>MERGE INTO (SELECT id_car_bk, car_brand_bk, car_type_bk, new_car
                FROM car_catalog_backup) CB
  USING (SELECT id_car, car_brand, car_type FROM car_catalog) C
  ON (CB.id_car_bk = b.id_car)
  WHEN NOT MATCHED THEN
    INSERT
      (CB.id_car_bk, CB.car_brand_bk, CB.car_type_bk)
    VALUES
      (C.id_car, C.car_brand, C.car_type)
  WHEN MATCHED THEN
    UPDATE SET CB.car_brand_bk = C.car_brand;
  </code></pre>