David McInnis wrote:
>>select tax from orders, orderdetail where orders.id = >>orderdetail.orderid and (productid = 1 or productid = 2 or productid = >>3) >> >>I can get multiple tax amounts where an order has multiple matching >>records in orderdetail. I know that I can group by order.id, but what I >>eventually need to do is pull sum(tax) and not just tax. >> >> > > Post the basic schema for the database tables in question and it would help. It doesn't sound like you need a subselect, but that may just be a misinterpretation. PS, I'd like some stats from the mysql list admins as to how many messages a day are blocked because of the requirement to include SQL or QUERY in the message and how many of those are _actually_ spam ... just watch for one day ... -- Michael T. Babcock C.T.O., FibreSpeed Ltd. http://www.fibrespeed.net/~mbabcock --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
