l****a 发帖数: 192 | 1 是advance 63题中的61题目
In a data step merge, the BY variables n all data sets must have the same:
A. name.
B. name and type.
C. name and length.
D. name, type, and length.
答案是B,还是D呢?谢谢 | k*******a 发帖数: 772 | | g**2 发帖数: 301 | | i****e 发帖数: 151 | 4 B.如果LENGTH不一样会出现WARNING,但还是会MERGE |
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