Transcription of 123-29: Creating and Exploiting SAS Indexes
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123-29: Creating and Exploiting SAS Indexes
1 Paper 123-29 Creating and Exploiting SAS Indexes Michael A. Raithel, Westat, Rockville, MD Abstract SAS Indexes can drastically improve the performance of programs that access small subsets of observations from large SAS data sets. Yet, many SAS programmers never use them. In this workshop, you will learn how to create simple and composite SAS Indexes , determine which variables make good index key variables, discover when Creating and using Indexes is appropriate, learn about centiles, and find out how to generate index usage messages. You will see first hand how Indexes can improve processing when subsetting and/or updating a large SAS data set.
1 Paper 123-29 Creating and Exploiting SAS® Indexes Michael A. Raithel, Westat, Rockville, MD Abstract SAS indexes can drastically improve the performance of programs that access small subsets of observations from
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