Multiple choice technology databases

Which of the follwing statement is correct regarding the PROC COPY procedure ?

  1. PROC COPY will be used to copy files from one library to another library

  2. PROC COPY copies columns from one dataset to another

  3. Proc Copy copies oberservations from one library to another

  4. All of the above
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A Correct answer
Explanation

PROC COPY in SAS copies entire SAS datasets from one library to another. It operates at the dataset/file level, not at the individual column or observation level.

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