On 1/31/06, Andrew Jensen <[EMAIL PROTECTED]> wrote:
..
>  Instead of the unique constraint, you could have created a unique index
> from the table defnition editor on columns
>  c.one and c.four this will still keep you from adding the last entry in
> your example. A unique constraint I believe,
>  should not be the same as a unique index - yet under Base it shows up as
> one. I can't tell you for sure whether
>  creating a unique constraint therefore actually generates the index or not.
> There is one difference under base,
>  add a unique index via the GUI and you can drop it. Add it via the ALTER
> TABLE ADD command and you may
>  not. It is listed as a system index, you must again use DDL to drop it. I
> would use the ALTER TABLE ADD
>  command myself, and add the index only later, if needed.
>
>  Finally, if you tried to apply the two foreign key relationships in the
> Relationship dialog under Base you would not be able to,
>  this is a known issue. However, once you have added them via the DDL
> commands, opening the Relationship dialog will
>  show both. (you will need to close and open the Base file, before they will
> show up in this dialog???)
>
>  HTH
>
>  Drew
..

First, thanks for the prompt reply!

I'm carefully reading your e-mail and it looks very helpful.  It's
good to know that at least it's possible and that it must be done with
SQL--I was going a bit batty.

thanks,


Thufir

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