Pat,
>
>On 2008-5-20 08:07, Francois Ochsenbein wrote:
>> would be interesting to specify what's the scope of the elements
>> included in the <join>: can these refer to different catalogs ?
>>
>> <catalog>
>> <name>The X survey catalog</name>
>> <description>...</description>
>> <table>
>> <schema>...</schema>
>> <name>...</name>
>> <description>...</description>
>> <column>...</column>
>> <column>...</column>
>> ...
>> </table>
>> <function> <!-- optional -->
>> <schema>...</schema>
>> <name>...</name>
>> ...
>> </function>
>> <join> <!-- optional -->
>> ...
>> </join>
>> </catalog>
>>
>
>
Pat,
Do you mean it would be legal that a <join> in the Registry can define a foreign key which would refer to a column of a table of another catalog -- in other terms, a foreign key to another data server ?
Cheers, francois
Francois Ochsenbein ------ Observatoire Astronomique de Strasbourg 11, rue de l'Universite F-67000 STRASBOURG Phone: +33-(0)390 24 24 29 Email: francois-at-astro.u-strasbg.fr (France) Fax: +33-(0)390 24 24 32 ================================================================================Received on 2008-05-21Z14:43:49