Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Testing with Large Datasets

The video tutorial guides students through an activity to understand the importance of using an index in large data sets. It involves creating a data set with 800 million observations and running code to compare performance with and without an index. The tutorial emphasizes the role of data size and computer system specifications in deciding the need for an index. Students are instructed to execute code, check logs, and analyze the results to determine the efficiency of using an index.

How can the time saved by using an index be evaluated?

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What steps should be taken after running the code to check the results?

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