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Quiz title : Set - 001 - Part 04
Question 1 of 10




Given the SAS date sets CLASS1 and CLASS2

CLASS1      CLASS2
NAME COURSE NAME COURSE
--------- ---------- --------- -----------
Lauren MATH1 Smith MATH2
Patel MATH1 Farmer MATH2
Chang MATH1 Patel MATH2
Chang MATH3 Hiller MATH2

The following SAS program is submitted:;

Proc sql;
Select name from CLASS1
<insert SQL set operator here>
select name from CLASS;
quit;

The following output is desired
NAME
Chang
Chang
Lauren

Which SQL set operator completes the program and generates the desired output?