RE: Supertypes?
| От | Christian Marschalek |
|---|---|
| Тема | RE: Supertypes? |
| Дата | |
| Msg-id | 000101c0b6c6$0653a9e0$0200a8c0@server обсуждение исходный текст |
| Ответ на | Supertypes? ("Christian Marschalek" <cm@chello.at>) |
| Ответы |
Re: Supertypes?
|
| Список | pgsql-general |
> Pg DOES support it! Oh... My fault :o) > However, it doesn't really have anything > to do with data redundancy. Data redundancy means storing > the same DATA in more than one table meaning that if it > changes in one table, you have to update all of the other > tables. That's not the same as inheritance which means you > can use a common base_table with additions to child tables as > necessary. Well we've learned that when you have lets say five tables which all contain name, adresse, city and so on you also have a form of redundancy... Can be wrong, though ;o) chris
В списке pgsql-general по дате отправления: