Complete SAS Programming Guide - Learn SAS and Become a Data Ninja - Updating the Master Dataset with New Variables or O

The video tutorial explains how to merge and update data sets using SAS, focusing on the update statement. It covers the syntax and rules for using the update statement, including the importance of indices and unique identifiers. An example is provided to demonstrate the process of updating a master data set with transaction data. The tutorial concludes with a discussion on the restrictions and rules to ensure data integrity when using the update statement.

How do you create an index for a data set in SAS?

What happens to the master data set when an existing employee's information is updated?

Why is it important for the master data set to have unique values for the by variable?