On Tue, Jan 6, 2009 at 3:13 PM, Jerry Schwartz
jschwa...@the-infoshop.com wrote:
Each account has multiple customers, and each customer has multiple sales. I
want to get the top 20 customers for each account.
-Original Message-
From: baron.schwa...@gmail.com [mailto:baron.schwa...@gmail.com] On
Behalf Of Baron Schwartz
Sent: Wednesday, January 07, 2009 9:54 AM
To: Jerry Schwartz
Cc: mysql@lists.mysql.com
Subject: Re: Limit within groups
On Tue, Jan 6, 2009 at 3:13 PM, Jerry Schwartz
jschwa
: Re: Limit within groups
On Tue, Jan 6, 2009 at 3:13 PM, Jerry Schwartz
jschwa...@the-infoshop.com wrote:
Each account has multiple customers, and each customer has multiple
sales. I
want to get the top 20 customers for each account.
http://www.xaprb.com/blog/2006/12/07/how-to-select
How about something like
select account,customer,max(total) from (select
account,customer,sum(sale_amount) as total from tablename group by
customer) as y group by account;
Seems to work in my test case..
Regards
Phil
On Tue, Jan 6, 2009 at 3:13 PM, Jerry Schwartz
-Original Message-
From: freedc@gmail.com [mailto:freedc@gmail.com] On Behalf Of
Phil
Sent: Tuesday, January 06, 2009 3:41 PM
To: Jerry Schwartz
Cc: mysql@lists.mysql.com
Subject: Re: Limit within groups
How about something like
select account,customer,max(total) from (select
: Tuesday, January 06, 2009 3:41 PM
To: Jerry Schwartz
Cc: mysql@lists.mysql.com
Subject: Re: Limit within groups
How about something like
select account,customer,max(total) from (select
account,customer,sum(sale_amount) as total from tablename group by
customer) as y group by account
