Re: Database design?
От | David Link |
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Тема | Re: Database design? |
Дата | |
Msg-id | 3BD583CA.10C085C9@soundscan.com обсуждение исходный текст |
Ответ на | Database design? ("Johnny Jørgensen" <johnny@halfahead.dk>) |
Список | pgsql-general |
One nice way to implement a multi-language datamodel is with Database Views. First you create a language table 'my_table_lang' for each significant table, called 'my_table_base'. And you create a view called 'my_table'. The view joins those tables with the correct language filter. The Application generally only looks at the views and not the _lang or _base tables. This language table, x_lang will have a column for every language specific column, needed in the x_base table, like names and descriptions. It will also have a language id column. And of course a foreign key reference to the x_base table. create view x select b.type, b.size, b.publisher, l.name, l,category from x_base b, x_lang l where l.key = b.langkey and l.langid = 'FR' -- "French" This would be set dynamically -- from the environment David ;
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