r RIGHT( )
mysql>
mysql>
mysql> CREATE TABLE datetime_val
-> (
-> dt DATETIME
-> );
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql>
mysql> INSERT INTO datetime_val (dt) VALUES('1970-01-01 00:00:00');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO datetime_val (dt) VALUES('1987-03-05 12:30:15');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO datetime_val (dt) VALUES('1999-12-31 09:00:00');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO datetime_val (dt) VALUES('2000-06-04 15:45:30');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> SELECT * FROM datetime_val;
+---------------------+
| dt |
+---------------------+
| 1970-01-01 00:00:00 |
| 1987-03-05 12:30:15 |
| 1999-12-31 09:00:00 |
| 2000-06-04 15:45:30 |
+---------------------+
4 rows in set (0.00 sec)
mysql>
mysql> SELECT dt,
-> LEFT(dt,10) AS date,
-> RIGHT(dt,8) AS time
-> FROM datetime_val;
+---------------------+------------+----------+
| dt | date | time |
+---------------------+------------+----------+
| 1970-01-01 00:00:00 | 1970-01-01 | 00:00:00 |
| 1987-03-05 12:30:15 | 1987-03-05 | 12:30:15 |
| 1999-12-31 09:00:00 | 1999-12-31 | 09:00:00 |
| 2000-06-04 15:45:30 | 2000-06-04 | 15:45:30 |
+---------------------+------------+----------+
4 rows in set (0.00 sec)
mysql>
mysql> drop table datetime_val;
Query OK, 0 rows affected (0.00 sec)