For example, an hour has 3600 seconds, so to find how many seconds there are in minutes_part, find the remainder from the division by 3600 like this: Calculate how many seconds there are in excess of whole minutes ( seconds_part) to be used later to calculate the seconds, how many seconds there are in excess of whole hours ( minutes_part) to be used later to calculate the minutes, and how many seconds there are in excess of whole hours ( hours_part) to be used later to calculate the hours. TIMESTAMPDIFF(SECOND, departure, arrival) AS secondsįirst, calculate the difference between the timestamps in seconds, using the TIMESTAMPDIFF() function (the first CTE, named difference_in_seconds), just as in Solution 1. Solution 2 (difference in days, hours, minutes, and seconds): The end and the start arguments are the ending timestamp and the starting timestamp, respectively (here, departure and arrival, respectively). To get the difference in minutes, choose MINUTE for the difference in hours, choose HOUR, etc. To get the difference in seconds as we have done here, choose SECOND. The unit argument can be MICROSECOND, SECOND, MINUTE, HOUR, DAY, WEEK, MONTH, QUARTER, or YEAR. To calculate the difference between the timestamps in MySQL, use the TIMESTAMPDIFF(unit, start, end) function. TIMESTAMPDIFF(SECOND, departure, arrival) AS difference Solution 1 (difference in days, hours, minutes, or seconds): You'd like to calculate the difference between the arrival and the departure. In the travel table, there are three columns: id, departure, and arrival. Timestamp and you want to calculate the difference between them.
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