SAS Learning Post

Technical tips and tricks from SAS instructors, authors and other SAS experts.
Programming Tips
Mark Stevens 4
To INDEX or not to INDEX...

Recently, a certification candidate asked me about indexes and how SAS decides whether to use one or not.  I don't work with supper-large data sets and therefore haven't been overly concerned with efficient coding techniques and consequently had no idea what an index was. So off to SAS 9.2 online

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