Hi @novinosrin, so what I understood is that numeric variables have a default length of 8 bytes where as the length of character variables is set in the program. If you take a look at the program, we had the length of ID as 3, length of name as 15, length of score1 as 8, similarly for score2 and score3 8 each which gives us the total=3+15+8+8+8=42 bytes, but the observation length is always shown as the multiples of 8 in the results so it upgrades 42 to 48 bytes in the results tab. Please let me know if I'm wrong in case. Thank you so much man for being very responsive. In the last few days, I got really lazy to learn sas programming;)
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