In mysql, you can use the TIME_TO_SEC() function to convert hours, minutes, and seconds into seconds. The syntax is "TIME_TO_SEC("hour:minute:second")". The TIME_TO_SEC() function accepts a time value as a parameter and converts the parameter into seconds. The conversion formula is "(hour × 3600) (minute × 60) second".
The operating environment of this tutorial: windows7 system, mysql8 version, Dell G3 computer.
In mysql, you can use the TIME_TO_SEC() function to convert hours, minutes and seconds into seconds.
MySQL TIME_TO_SEC() function will accept a time value as a parameter, convert the parameter into seconds, and then return. The conversion formula is "(hour × 3600) (minute × 60) second".
Syntax:
TIME_TO_SEC(time)
| Parameters | Description |
|---|---|
| time | Required. Time value |
Example 1:
mysql> SELECT TIME_TO_SEC('15:15:15');
It can be seen from the execution results that according to the calculation formula " 15×3600 15×60 15” gives the result of seconds 54915.
Example 2:
mysql> SELECT TIME_TO_SEC('22:23:00');
It can be seen from the execution result that according to the calculation formula "22×3600 23×60", the result number of seconds is 80580.
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