Updating SAS Data Sets

Introduction to Updating SAS Data Sets

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:

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 be familiar with the concepts presented in

Starting with Raw Data: The Basics
Starting with SAS Data Sets
Merging SAS Data Sets

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