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.
2011/2/10 Travis Ard <travis_ard@stripped>
> 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.
> -----Original Message-----
> From: Richard Reina [mailto:gatorreina@stripped]
> Sent: Thursday, February 10, 2011 3:07 PM
> To: mysql@stripped
> 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