z*********o 发帖数: 541 | 1 The following SAS DATA step is submitted:
data sasdata.atlanta
sasdata.boston
work.portland
work.phoenix;
set company.prdsales;
if region = 'NE' then output boston;
if region = 'SE' then output atlanta;
if region = 'SW' then output phoenix;
if region = 'NW' then output portland;
run;
Which one of the following is true regarding the output data sets?
A. No library references are required.
B. The data sets listed on all the IF statements require a library reference.
C. The data sets listed in the | z*********o 发帖数: 541 | | p********h 发帖数: 544 | 3 这是白送分得题。考的是LIBNAME啊,老大。赶紧好好复习。
【在 z*********o 的大作中提到】 : 没有看懂这道题,它是考的哪个知识点呢?
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