| order_id | product_id | quantity | purchase_date | | -------- | ---------- | -------- | ------------- | | 1 | 1 | 7 | 2020-03-16 | | 2 | 1 | 4 | 2020-12-02 | | 3 | 1 | 7 | 2020-05-10 | | 4 | 1 | 6 | 2021-12-23 | | 5 | 1 | 5 | 2021-05-21 | | 6 | 1 | 6 | 2021-10-11 | | 7 | 2 | 6 | 2022-10-11 |