Order1:
id: 1200
customer_id: ${{ REF(Alice) }}
item_id: ${{ REF(Apple) }}
quantity: 2
purchased_at: "2021-03-01T15:15:44"
Order2:
id: 1201
customer_id: ${{ REF(Bob) }}
item_id: ${{ REF(Melon) }}
quantity: 1
purchased_at: "2021-03-02T07:51:20"
Order3:
id: 1202
customer_id: ${{ REF(Alice) }}
item_id: ${{ REF(Carrot) }}
quantity: 4
purchased_at: "2021-03-10T10:10:33"
Order4:
id: 1203
customer_id: ${{ REF(Dev) }}
item_id: ${{ REF(Melon) }}
quantity: 2
purchased_at: "2021-03-11T11:55:44"