You probably want SEC_TO_TIME: http://dev.mysql.com/doc/mysql/en/Date_and_time_functions.html
SELECT a as start, b as end, SEC_TO_TIME(end - start) FROM table ____________________________________________________________ Eamon Daly ----- Original Message ----- From: "Dirk Bremer (NISC)" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, June 11, 2004 1:57 PM Subject: Date/Time Difference Calculations > I'm using MySQL version 4.0.18. I have two datetime columns in the same > table, one that represents a start time and the other that represents an end > time. I would like to write a query that will show the difference between > these two columns in a HH:MM:SS format. The values of the two columns as > inserted into the table are never be separated by more than a few hours, but > could span a day boundary, i.e the start time could be late one day end the > end time early the next day, so the date will have to be taken into > consideration for the calculation. Looking at the docs, it appears that > version 4.1.x has a lot more date/time functions, but I'm wondering if > something similar can be arrived at under the version that I am using. -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
