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Date:         Tue, 7 Sep 2004 12:44:26 GMT
Reply-To:     julierog@ix.netcom.com
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Roger Lustig <trovato@VERIZON.NET>
Subject:      Re: Help required on SQL join example 2
Content-Type: text/plain; charset=us-ascii; format=flowed

a) they're supposed to produce identical output, given the ambiguous example.

b) oops--they should both read:

...coalesce(a.id,b.id)...

Roger

Nina Harris wrote: > Roger Lustig wrote: > >>If the former, try: >>If the latter: > > > hmm.. both your solution samples produce identical output > ID=1 period=1 val=10 > ID=1 period=2 val=10 > ID=. period=3 val=0 > ID=1 period=4 val=10 > >


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