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Message Posted: Tue, 17 Sep 2002 @ 17:24:55 GMT


     
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Subj:   Storage of Debit Card Numbers
 
From:   Yonina Schuchman

We currenty store debit card numbers just like our credit card numbers in a column of DECIMAL(18,0). I just heard that a new national standard for debit card numbers will increase the length to 24 digits. Teradata has no way of storing a number of that length that I am aware of, so it looks like a conversion to CHAR(24) or VARCHAR(24) is eminent.

How is your company storing debit card numbers? Does NCR have any plans to increase the maximum digits of a decimal again?



     
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