mysql>
mysql> CREATE TABLE date_val
-> (
-> d DATE
-> );
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql> INSERT INTO date_val (d) VALUES('1864-02-28');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('1900-01-15');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('1987-03-05');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('1999-12-31');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO date_val (d) VALUES('2000-06-04');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql>
mysql> SELECT d, DAYNAME(d), LEFT(DAYNAME(d),3) FROM date_val;
+------------+------------+--------------------+
| d | DAYNAME(d) | LEFT(DAYNAME(d),3) |
+------------+------------+--------------------+
| 1864-02-28 | Sunday | Sun |
| 1900-01-15 | Monday | Mon |
| 1987-03-05 | Thursday | Thu |
| 1999-12-31 | Friday | Fri |
| 2000-06-04 | Sunday | Sun |
+------------+------------+--------------------+
5 rows in set (0.00 sec)
mysql>
mysql> drop table date_val;
Query OK, 0 rows affected (0.00 sec)