Re: Totals Across Multiple Records

2005-07-23 Thread Albert Padley
Sol and Peter, Thanks for your feedback. Both of your suggestions got me going in the right direction and I was able to solve the problem using temporary tables and left joins. Thanks again. Albert Padley On Jul 23, 2005, at 11:00 AM, sol beach wrote: create table count_temp1 select i

Re: Totals Across Multiple Records

2005-07-22 Thread Peter Brawley
Albert, Your spec isn't entirely clear to me (eg if sd1 & sd2 were 'unique within each record', wouldn't there be zero rows where sd1=sd2?), but is this what you're looking for ... SELECT zz, COUNT(zz) as zzCount, SUM(IF(zz=sd1 AND sd1=sd2, 1, 0)) AS sd1sd2Count FROM ss GROUP BY zz; Peter

Re: Totals

2004-03-24 Thread Paul DuBois
At 10:19 -0800 3/24/04, Craig Gardner wrote: I need to get totals for the data in my database. I stumbled upon the "WITH ROLLUP" modifier (http://www.mysql.com/doc/en/GROUP-BY-Modifiers.html) and it appears to be exactly what I'm looking for, except for the fact that when I try to use it I get