S********a 发帖数: 359 | 1 data WORK.TEST;
set WORK.TEST(keep=Id Var_1 Var_2 rename=(Id=Id_Code));
Total=sum(Var_1, Var_2);
run;
Which describes the result of
submitting the SAS program?
A.
The index on Id is deleted.
B.
The index on Id is updated as an index on Id_Code.
C.
The index on Id is deleted and an index on Id_Code is created.
D.
The index on Id is recreated as an index on Id_Code.
是A 还是 B? 自己倾向B
请大家指教 | j****e 发帖数: 158 | 2 A, rebuilding dataset will delete the index | S********a 发帖数: 359 | 3 thanks
【在 j****e 的大作中提到】 : A, rebuilding dataset will delete the index
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