Re: Can these constraint be implemented in an RDBMS ?

"ben brugman" <ben_at_niethier.nl> wrote:
>
>"Alfredo Novoa" <alfredo_at_ncs.es> wrote in message
>news:40445aaf.1980137_at_news.wanadoo.es...
>> On Mon, 1 Mar 2004 22:16:33 +0100, "ben brugman" <ben_at_niethier.nl>
>> wrote:
>>
>> >Hello readers,
>> >
>> >In another thread I was asked to produce an example which
>> >can not be implemented with RDBMS constraints.
>> > <snip>
>> >The implementation has to be done in Oracle or SQL-server.
>>
>> There is a clear contradiction. Oracle and SQL-Server are not RDBMSs.
>
>Can you clearify this a bit more ?
>
>Can you name RDBMSs ?
>
>Do you have a solution for the problem if this requirement (Oracle or
>SQL-server)
>is dropped. The imaginairy customer still likes to make a choice between
at
>least two 'RDBMSs'.
>
>Thanks for your time,
>
>Ben Brugman
>
>
>>
>>
>> Regards
>> Alfredo
>
>
Don't get bogged down in the theorists interpretation of what is and what is not a relational database. It's got nothing to do with what you're trying to accomplish here. Received on Tue Mar 02 2004 - 15:36:13 CET