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Date:         Thu, 15 Sep 2005 17:19:21 +0200
Reply-To:     Miguel de la Hoz <miguel_hoz@YAHOO.ES>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Miguel de la Hoz <miguel_hoz@YAHOO.ES>
Subject:      Random code generator
Content-Type: text/plain; charset=iso-8859-1

Hello everyone:

I have a 100.000 Database, each register has a secret number that a I cannot use so I have thougth to fmark up each register with a random number, so I can use something like:

data ouptut; set input; code=round(100000*ranuni()); run;

My purpose is to make a unique relation between this secret number and code.

I am happy until now just because each month my Database can increase or decrease the number or registers so I need to make 2 things:

1.- generate a new random code 2.- avoid any of the code use in the database before

I am thinking about the best way to solve this problem, I would like to read your comments to decide which is the best way...

Many thanks...



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