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Records: 7 Duplicates: 0 Warnings: 0
| customer_id | first_date | customer_pref_delivery_date |
|---|---|---|
| 1 | 2019-08-01 | 2019-08-02 |
| 2 | 2019-08-02 | 2019-08-02 |
| 3 | 2019-08-21 | 2019-08-22 |
| 4 | 2019-08-09 | 2019-08-09 |