SQL DATE() function extracts the date part of a date.

Table  – orders

+—–+—–+——-+———————+
| oid | uid | items | date                |
+—–+—–+——-+———————+
|   1 |   1 | AAAA  | 2007-05-16 00:00:00 |
+—–+—–+——-+———————+

Example

mysql> SELECT DATE(date) as bill_date from orders ;
+————+
| bill_date  |
+————+
| 2007-05-16 |
+————+
1 row in set (0.00 sec)