Date:         Sat, 30 Nov 2002 14:44:45 -0800
Reply-To:     Bruce Bradbury <BruceBrad@INAME.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Bruce Bradbury <BruceBrad@INAME.COM>
Organization: http://groups.google.com/
Subject:      Re: Most efficient way to subset a large dataset
Content-Type: text/plain; charset=ISO-8859-1

> see that wonderfull paper by Paul dorfman
>
> http://www2.sas.com/proceedings/sugi26/p008-26.pdf

Yes, it is interesting. However, his methods still require you to read
in every record of the large file. If (and I admit this is a big if)
you can create an index for the large file then I suspect a sql
optimised join might be most efficient.