Question 45: Which is the correct statement regarding length of a variable in a SAS program?

1. As soon as variable appear in data step and its value derive the length.
2. Whatever length explicitly defined will be the length of that variable
3. As soon as you do the assignment

1. A,B
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 Correct Answer : 3 Exp : It depends on various scenario, how to derive the actual length of a variable.

 If variable first found in data step with its value like v1=Low. Then its length will be decided as 3 byte.

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