Re: Making Complicated References

How about some table definitions?

(amazing! what everyone else asked me for before they'd help me when **I** first
got here, now I ask others to supply :-)

Bruno Wolff III wrote:
> On Sun, Mar 30, 2003 at 03:06:46 +0000,
>   "Daniel R. Anderson" <dan@mathjunkies.com> wrote:
>
>>Hi all,
>>
>>I have tables A, B, and C.  foo within Table B & C references foo in
>>table A.  I want bar in table C to reference bar in table B -- but I
>>want it to reference only those bars in B with a foo that is the same.
>>
>>Is that possible?
>
>
> If foo + bar is a candidate key for B, then you can use a multicolumn
> foriegn key. If foo + bar isn't a candidate key for B, then I think you
> will need to explain more about what you are trying to do.
>
>
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