Introduction to Updating SAS Data Sets
Purpose
Updating
replaces the values of variables in one data set with nonmissing values
from another data set. In this section, you will learn about the
following concepts:
-
difference between master data sets and transaction data sets
-
using the UPDATE statement
-
how to choose between updating and merging
Prerequisites
Before using this section,
you should understand the concepts that are presented in the following
sections:
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