SAS Certified Professional Prep Guide

Using Hash Iterator Objects

What Is a Hash Iterator Object?

A hash iterator object is associated with a hash object, enabling you to retrieve hash object data in either forward or reverse key order. Think of the hash iterator object, or hiter, as an ordered view of a hash object.

Figure 12.4 Hash Object Iterator

Note: Declare the hash object before defining the hash iterator object.

In the following example, the Certadv.Orderfact table is loaded into the hash object Customer. The hash object Customer then feeds into the hash iterator object C. Notice that there is a DECLARE statement for the hash object Customer and a DECLARE statement for ...