Mega Code Archive
To express time values as minutes, hours, or days, perform the appropriate divisions
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mysql>
mysql>
mysql> CREATE TABLE time_val
-> (
-> t1 TIME,
-> t2 TIME
-> );
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql> INSERT INTO time_val (t1,t2) VALUES('15:00:00','15:00:00');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO time_val (t1,t2) VALUES('05:01:30','02:30:20');
Query OK, 1 row affected (0.00 sec)
mysql> INSERT INTO time_val (t1,t2) VALUES('12:30:20','17:30:45');
Query OK, 1 row affected (0.00 sec)
mysql>
mysql> SELECT * FROM time_val;
+----------+----------+
| t1 | t2 |
+----------+----------+
| 15:00:00 | 15:00:00 |
| 05:01:30 | 02:30:20 |
| 12:30:20 | 17:30:45 |
+----------+----------+
3 rows in set (0.00 sec)
mysql>
mysql>
mysql> SELECT t1,
-> TIME_TO_SEC(t1) AS 'seconds',
-> TIME_TO_SEC(t1)/60 AS 'minutes',
-> TIME_TO_SEC(t1)/(60*60) AS 'hours',
-> TIME_TO_SEC(t1)/(24*60*60) AS 'days'
-> FROM time_val;
+----------+---------+----------+---------+--------+
| t1 | seconds | minutes | hours | days |
+----------+---------+----------+---------+--------+
| 15:00:00 | 54000 | 900.0000 | 15.0000 | 0.6250 |
| 05:01:30 | 18090 | 301.5000 | 5.0250 | 0.2094 |
| 12:30:20 | 45020 | 750.3333 | 12.5056 | 0.5211 |
+----------+---------+----------+---------+--------+
3 rows in set (0.00 sec)
mysql>
mysql> drop table time_val;
Query OK, 0 rows affected (0.00 sec)
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