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Home -> Community -> Usenet -> c.d.o.server -> Re: Is This the varchar2 ZLS Issue?
Frank van Bortel wrote:
> BTW: Why should a column never be NULL? A tuple may well
> be undefined at a certain time (e.g. number of children
> while status='SINGLE' - although some people... but that
> is entirely OT), but become meaningful at a later stadium.
You know, I'm not 100% certain, but the database theory folks said indexes are better utilized, which sounded plausible to me.
-- Tim http://www.ucs.mun.ca/~tmarshal/ ^o< /#) "Burp-beep, burp-beep, burp-beep?" - Quaker Jake /^^ "What's UP, Dittoooooo?" - DittoReceived on Mon Mar 20 2006 - 19:53:42 CST
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