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Re: Working with huge tables of chronological data

From: Maxim Demenko <mdemenko_at_gmail.com>
Date: Sat, 07 Apr 2007 09:41:47 +0200
Message-ID: <46174B3B.6060005@gmail.com> 





Mladen Gogala schrieb:


> On Fri, 06 Apr 2007 22:45:44 +0100, Jonathan Lewis wrote:

> 


>> Correct, the option using the analytic lag() would only give you the
>> adjacent pairs.




> 

> Actually, it wouldn't. In version 10g, lag has an "offset" argument

> which would tell you by how much is it trailing.

> 




Actually, lag() has an "offset" argument since 8i, nevertheless, lag() 
seems not to be suitable to find *all* consecutive pairs.



Best regards



Maxim
Received on Sat Apr 07 2007 - 02:41:47 CDT












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