Firstly, this shouldn't be in the PHP list, as you're asking for help with SQL. Mario netMines wrote: > carrental_from (datetime field) > carrental_to (datetime field) > carrental_price (datetime field) [rates are per hour] carrental_price shouldn't be a datetime field, as it isn't a datetime value. > The values I have are like: > 0000-00-00 00:00:00,0000-00-00 07:00:00,10 (all year around 00:00-07:00) > 0000-00-00 07:00:00,0000-00-00 00:00:00,20 (all year around 07:00-00:00) > 2005-12-22 07:00:00,2006-01-02 00:00:00,15 (christmas period 00:00-07:00) > 2005-12-22 00:00:00,2006-01-02 07:00:00,25 (christmas period 07:00-00:00) > > The user selects dates ($from - $to) to rent a car and he gets the price > accordingly. > I can do a (($to-$from)/60/60) and get the total number of hours but > depending on the date and time you get a different result. Can anyone > help with the SQL? Read up on the MySQL DATEDIFF() function, if you are using MySQL. Other DBMSs should have an equiv. function. Jasper -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
