A.Variable names are case sensitive.

B.Variable names are from 1 to 32 characters in length.

C.Variable names are optional when you create a data set

D.Variable names can start with a number or an underscore

A.proc sort data=Names;
orderby Name;
run;

B.proc sort data=Names;
orderby Age

C.proc sort data=Names;
by Age Name

D.proc sort data=Names;
by Age

A.Option

B.Option

C.Option

D.Option

A.Variables on the DROP statement are not created in the Program Data Vector

B.The DROP statement flags the variables in the Program Data Vector to be dropped at output.

C.The DROP statement determines the order of the variables in the Program Data Vector

D.Variables on the DROP statement are removed from the input data set.