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Re: NULLs

From: <yong321_at_yahoo.com>
Date: 21 Dec 2005 21:41:05 -0800
Message-ID: <1135230065.921888.299060@g43g2000cwa.googlegroups.com> 





yong321_at_yahoo.com wrote:


> That is, you can't mix a null in any column. Oracle seems to follow the

> standard quite well:




Correction. My test actually shows Oracle does not follow the standard.
Two rows of all nulls should be duplicates, and if the rows are only
partially null, they should not be. But of course I may be misreading
the standard.



Yong Huang
Received on Wed Dec 21 2005 - 23:41:05 CST












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