Re[2]: [GENERAL] Joins and links
От | Leon |
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Тема | Re[2]: [GENERAL] Joins and links |
Дата | |
Msg-id | 8968.990705@udmnet.ru обсуждение исходный текст |
Ответ на | Re: [GENERAL] Joins and links (David Warnock <david@sundayta.co.uk>) |
Ответы |
Re: Re[2]: [GENERAL] Joins and links
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Список | pgsql-general |
Hello David, Monday, July 05, 1999 you wrote: D> I have just been thinking a bit more and have realised that the D> multi-generational architecture of 6.5 (which I have used in Interbase) D> means that probably both clustering (in thr dynamic sense) and full D> record number support as request by Leon are impractical. D> It seems to me that record number relationships will fail completely if D> there can be more than one version of a record. Maybe it is a silly question, but what are "more than one version of a record"? In my opinion record is a atomic unique entity. Isn't it? D> (well even if they are D> forced to work they will lose some/all of their speed advantage). Best regards, Leon
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