Re: postgresql vs mysql
От | Ron Johnson |
---|---|
Тема | Re: postgresql vs mysql |
Дата | |
Msg-id | 45DCEF1C.3090402@cox.net обсуждение исходный текст |
Ответ на | Re: postgresql vs mysql ("Brusser, Michael" <Michael.Brusser@matrixone.com>) |
Список | pgsql-general |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 02/21/07 19:01, Brusser, Michael wrote: > >>> How would you like to use a database that has nuances like these -- >>> http://forums.mysql.com/read.php?20,141120,141120#msg-141120 > > --- > >> Huh? >> A blank string (does that mean '' or ' '?) is not NULL, so of >> *course* it should pass the NOT NULL constraint. >> Or am I missing something? > > --- > > I agree with you, although Oracle won't, they really blurred the line > between the empty string and NULL. Well that bites. We don't use NULLs a lot, but still: NULL is null, not a blank string. How do "they" represent NULL in a numeric field? -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) iD8DBQFF3O8cS9HxQb37XmcRAgk3AJ9uB0Z0X9tUOdSgeBggC1UivekXhACgsaLr ZVYsQ5NaFCuCwgER6mboH70= =2arU -----END PGP SIGNATURE-----
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