explain the difference between alternate key, business key, foreign key, generated key, primary key, retained key and surrogate key ? : Sas-di
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tell me about use of arrays in sas
why only we use SAS? their r many programmin language like SPSS, Oracle... Why SAS?
If you were told to create many records from one record show how you would do this using arrays and with PROC TRANSPOSE?
Differentiate between proc means and proc summary.
what has been your most common programming mistake? : Sas programming
There is a field containing a date. It needs to be displayed in the format "ddmonyy" if it's before 1975, "dd mon ccyy" if it's after 1985, and as 'Disco Years' if it's between 1975 and 1985. How would you accomplish this in data step code? Using only PROC FORMAT
in data set200 observation how to take 110,150,170 using sql procedure?
What is the difference between input and infile statement?
What is the difference between one to one merge and match merge? Give an example.
what is the difference between informat$8. $char8.
What happens in the following code, if u type 8 instead of *? proc sql noprint; create table abc as select 8 from lib.abc; quit;
How do you test for missing values?