From: | Leon <leon(at)udmnet(dot)ru> |
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To: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us>, David Warnock <david(at)sundayta(dot)co(dot)uk>, pgsql-general <pgsql-general(at)postgreSQL(dot)org> |
Subject: | Re[2]: [GENERAL] Joins and links |
Date: | 1999-07-05 18:15:12 |
Message-ID: | 8968.990705@udmnet.ru |
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Lists: | pgsql-general pgsql-hackers |
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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