Re: Object support in the relational model??

"George Weer" <none_at_none.com> wrote in message news:<actl56$sdo72$1_at_ID-116287.news.dfncis.de>...
> Are you saying that to use the properties of objects that is polymorhism,
> inheritance, adt's methods etc
> mean that any referential integrity is jepardised?

        No, for sure not.

> but through inheritance with adts for example defining a
> person as a class and a child as a person doesnt integrity become easier to
> manage?

        The problem is that OO is fuzzy thinking. Is an object a variable or a value? Is a class a type or a variable? And so on. More details at http://dbdebunk.com./ and elsewhere.

> i take it this is the third manifesto:
>
> http://216.239.51.100/search?q=cache:WGirvC26ETYC:www.acm.org/sigmod/record/
> issues/9503/manifesto.ps&hl=en&ie=UTF8

        That is the Third Manifesto indeed, but the book contains much additional material which goes a long way towards a well-structured whole.

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