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"What is the difference between proc sort nodup and proc
sort nodupkey?"
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Answer Posted / venkatesh
nodup: it deletes duplicates(column wise duplicates).
nodupkey: it deletes row wise duplicates according to
your by variable;
ex: id name
100 nani
101 ravi
100 nani
101 kali
nodup result:
id name
100 nani
101 ravi
101 kali
nodupkey result
100 nani
101 ravi
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