What is the difference between match merge and one to one merge?
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how does sas handle missing values in: assignment statements, functions, a merge, an update, sort order, formats, procs? : Sas programming
What is the difference between SAS functions and procedures?
How would you delete duplicate observations?
how can you improve the performance of a query, If it is excuting very slowly?
Explain the message ‘MERGE HAS ONE OR MORE DATASETS WITH REPEATS OF BY VARIABLE’.
Name statements that are execution only.
how to know the attributes of first five datasets in a library
What is the difference between nodupkey and nodup options?
If reading a variable length file with fixed input, how would you prevent SAS from reading the next record if the last variable didn’t have a value?
Tell e how how dealt with..
How are numeric and character missing values represented internally?
what is option year cuttoff in sas