It can be done but it involves quite a few statements and the use of temporary variables and a temporary table.
assuming that your table is defined as follows CREATE TABLE `tble` ( `keyf` char(1) default NULL, `Field1` char(8) default NULL ) do this: set @k=''; set @field=''; create temporary table tmp (temp1 mediumtext,temp2 mediumtext,keyf char(1),field1 mediumtext); insert into tmp select if(@k=keyf, @field:= CONCAT_WS(',',@field,field1),@field:=field1),if(@k!=keyf,@k:=keyf,@k), @k,@field from tble; select keyf as 'key', max(field1) as 'field-1' from tmp group by keyf; -----Original Message----- From: Javier [mailto:[EMAIL PROTECTED]] Sent: Wednesday, February 27, 2002 8:11 AM To: [EMAIL PROTECTED] Subject: Sum function question Hi, I have a table like this Key Field-1 A string1 A string2 A string3 B string1 B string 2 I want to create a query to get the following result (only one line by key field): A - string1,string2,string3 B - string1,string2 I try to use the Sum function but it only works on numbers, ( the number of occurrences of key field, is unknown) Thanks in advance for any advice that you might have. Javier Diaz IT Developer - Scanned for all known viruses by Messagelabs -- --------------------------------------------------------------------- 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 --------------------------------------------------------------------- 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