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how to delete the duplicate columns permanently in SQL

Answers were Sorted based on User's Feedback



how to delete the duplicate columns permanently in SQL..

Answer / chandrakanth

proc sql;
create table dataset-name as select distinct(variable-name),list-all-the-variables-you-want from dataset-name;
quit;

please let me know if you have any questions

Is This Answer Correct ?    4 Yes 3 No

how to delete the duplicate columns permanently in SQL..

Answer / naveen

data aaa;
input P_Id LastName $ FirstName $ City $;
cards;
1 Hansen Ola Sandnes
2 Svendson Tove Sandnes
3 Pettersen Kari Stavanger
;
run;
proc sql;
select distnict(city)
from aaa;
quit;

Is This Answer Correct ?    0 Yes 1 No

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