Helen M Hudson ha scritto: > So, if my table structure was: > id | date | order_ref | amount > 1 | 1/1/01 | 100 | 1000 << these 2 are the rows > 2 | 1/1/01 | 100 | 200 << i want to exclude > 3 | 2/1/01 | 100 | 1000 > 4 | 2/1/01 | 100 | 200 > 5 | 2/1/01 | 100 | 50 > > I'd like to end up with > latest_date_on_order | order_ref | sum(amount) > 2/1/01 | 100 | 1250 > > I know its a one-liner for someone who has reached the light... so any help > very much appreciated! >
I do not know if i can give you the light because my english is not as good as I'd like. If i've understood your question, you can try this SQL statement: SELECT max( `date` ) AS 'date', sum( `amount` ) AS 'amount' FROM `Prova` WHERE `order` =100 GROUP BY `order` LIMIT 0 , 30 Enjoy and please tell me if it solves your problem... -- vittorio zuccalà Finconsumo Banca SPA [EMAIL PROTECTED] Tel: 011-6319464
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