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Date:         Wed, 10 Apr 2002 17:36:03 -0400
Reply-To:     "Braten, Michael (Exchange)" <mbraten@BEAR.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         "Braten, Michael (Exchange)" <mbraten@BEAR.COM>
Subject:      Re: Merge W/O Sort
Comments: To: "abdu.elnagheeb@BANKOFAMERICA.COM"
          <abdu.elnagheeb@BANKOFAMERICA.COM>
Content-Type: text/plain

If this is all to be done on a mainframe, perhaps sort both files by using a SORT utility. You can then read them into SAS and use the dataset option SORTEDBY= variablename. You can then do a MERGE and not have to use SAS to sort.

> -----Original Message----- > From: Abdu Elnagheeb [SMTP:abdu.elnagheeb@BANKOFAMERICA.COM] > Sent: Wednesday, April 10, 2002 3:56 PM > To: SAS-L@LISTSERV.UGA.EDU > Subject: Merge W/O Sort > > Hello, > I really need your help. I have two BIG data sets (17,000,000 ad > 26,000,000) > which I want to merge on one key variable, but I want to avoid sorting any > of them. What is the most efficient and fastest way to do that? > BWT, I want to do a left join on this key variable (i.e. keep > everyone > in the smaller data set : Note I may have duplicate in the bigger one and > that is fine). > > Please, email me. > > Thanks, > abdu

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