Re: Drawbacks of using BYTEA for PK?
| От | Karsten Hilbert |
|---|---|
| Тема | Re: Drawbacks of using BYTEA for PK? |
| Дата | |
| Msg-id | 20040114094702.A625@hermes.hilbert.loc обсуждение |
| Ответ на | Re: Drawbacks of using BYTEA for PK? (Alex Satrapa <alex@lintelsys.com.au>) |
| Ответы |
Re: Drawbacks of using BYTEA for PK?
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| Список | pgsql-general |
> >Remember that /sbin/ifconfig output usually include MAC address too. Not > >that MAC addresses are 100% unique, but that should increase the > >uniqueness. > > How do you increase uniqueness? Either a value is unique or it isn't - It increases the *likelihood* of uniqueness, IOW the expected collision frequency. > if you've got multiple hosts on the network with the same network > address, you're in big trouble! He is talking about the MAC which in itself is supposed to be globally unique. Nothing to do with IP numbers. Karsten -- GPG key ID E4071346 @ wwwkeys.pgp.net E167 67FD A291 2BEA 73BD 4537 78B9 A9F9 E407 1346
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