Sergio H. Gonzalez schrieb am 14.02.2011 um 11:33 (-0300):

> My app has to save some results of a bunch of clinical exams wich I
> have in a table:
>
> table_exams:
>
> id description
> -----------------
> 1 test 1
> 2 test 2
> 3 test 3
> 4 test 4
>
> and i save the results like this
>
> table_results:
>
> id id_table_exams result
> ----------------------------
> 1 1 100
> 2 3 98
> 3 4 55
>
> As you can see, not all the exams has a result all the times...

There seems to be something missing from your table. Do the results
refer to patients?

> I hope I'm clear with my question!!!!

It's not clear to me.

--
Michael Ludwig