By admin | January 7, 2010

SAS Certified Adv Programmer 130 Questions (46)

When is it appropriate to create indexes on a SAS data set for efficient processing?

A. if small subsets of data are often retrieved
B. if the key variable has very few unique values
C. if the data are often used for BY group processing
D. if the SAS data set file page count is less than three pages

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  1. admin - 01/7/2010 at 2:55 pm


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