Re: IS it a good practice to use SERIAL as Primary Key?
От | Ron Johnson |
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Тема | Re: IS it a good practice to use SERIAL as Primary Key? |
Дата | |
Msg-id | 456B7F4A.8020003@cox.net обсуждение исходный текст |
Ответ на | Re: IS it a good practice to use SERIAL as Primary Key? ("Joshua D. Drake" <jd@commandprompt.com>) |
Ответы |
Re: IS it a good practice to use SERIAL as Primary Key?
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Список | pgsql-general |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 11/27/06 17:25, Joshua D. Drake wrote: > On Mon, 2006-11-27 at 17:09 -0600, John McCawley wrote: [snip] > users > ===== > id serial unique, > first_name text, > last_name text, > primary key (first_name,last_name) > > Yes there are problems with the above, namely you will likely have more > than one joshua drake. Right, and then the question gets to: how do you create a "good" user id? Many prefer serial types; I prefer something that is not a monotonically incrementing scalar. - -- Ron Johnson, Jr. Jefferson LA USA Is "common sense" really valid? For example, it is "common sense" to white-power racists that whites are superior to blacks, and that those with brown skins are mud people. However, that "common sense" is obviously wrong. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFFa39KS9HxQb37XmcRAm+ZAKCAcpky09a2eTYMZX6HZiPIMECfcgCgrkXf 9oj3C45XcamX8avi5lYVn98= =f0Ct -----END PGP SIGNATURE-----
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