Re: Violation of NOT NULL
От
Fran Fabrizio
Тема
Re: Violation of NOT NULL
Дата
Msg-id
3CED3215.70308@mmrd.com
Список
Дерево обсуждения
Violation of NOT NULL "Wm. G. Urquhart" <wgu@wurquhart.co.uk>
Re: Violation of NOT NULL Tom Lane <tgl@sss.pgh.pa.us>
> > >>With that said if '' does != NULL then what does? Just NULL? In my book >>NULL means undefined and IMHO you can't get more undefined than ''! >> To me, '' is very defined. You're explicitly telling something to be set to the empty string. It has a definite value - "empty string". NULL implies that you have no information whatsoever to determine what the value is. That's just me. I was always bothered that Oracle did consider empty strings to be NULLs. =) -Fran
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