Hi Travis, This is very helpful thank you. However, is there a way to make it not be less than a 1. As it's written below someone with one job gets a zero and someone with no jobs gets a NULL. It would be great if someone with 1 job got a 1 and someone with zero jobs got a 0.
Thanks again, Richard 2011/2/10 Travis Ard <travis_...@hotmail.com> > Maybe some sort of logarithmic expression? > > select no_of_jobs, 10 * log(10, no_of_jobs) as job_weight > from data; > > Of course, you'd have to tweak your coefficients to match the weighting > system you want to use. > > -Travis > > -----Original Message----- > From: Richard Reina [mailto:gatorre...@gmail.com] > Sent: Thursday, February 10, 2011 3:07 PM > To: mysql@lists.mysql.com > Subject: function to limit value of integer > > Is there a function that can limit the value of an integer in a MySQL > query? I am trying to write a query that scores someones experience. > However, number of jobs can become overweighted in the the query below. If > someone has done 10 jobs vs. 1 that's a big difference in experience. But > someone who's done 100 vs. someone who's done 50 the difference in > experience is not so great as they are both near the top of the learning > curve. In essence number of jobs becomes less and less of a contributor as > it increases. Is there a way to limit it's value as it increases? > > SELECT years_srvd + no_of_jobs AS EXPERIENCE > > Thanks, > > Richard > >
