In the following SAS program, the input data files are sorted by the NAMES variable:
libname temp 'SAS-data-library';
data temp.sales;
merge temp.sales
work.receipt;
by names;
run;
Which one of the following results occurs when this program is submitted?
A. The program executes successfully and a temporary SAS data set is created.
B. The program executes successfully and a permanent SAS data set is created.
C. The program fails execution because the same SAS data set is referenced for both read and write operations.
D. The program fails execution because the SAS data sets on the MERGE statement are in two different libraries.
Click Coment link to see answer.
ElearnSAS.com
SAS Learning Platform
The right answer is B. Both datasets sales and receipt are sorted by names variable which in turn is used to merge the two datasets. The resulting dataset is over-written on temp.sales dataset. As temp is a permanent library unlike work (which is temparory) option B is the right choice.
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ReplyDeletecorrect answer B
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ReplyDeleteCorrect Answer is B
ReplyDelete1)temp is declared as a permanent lib so permanent dataset will be craeted
2)same dataset can be read and write in a step
3)work and perm datasets can be merged
Ok, I understand this place is for commenting for the above question, but I couldn't find any good "forum" site regarding SAS base certificate preparation. so I thought maybe I can post a question that I had trouble with.
ReplyDeleteQuestion1.
The following program is submitted.
data test;
input name $ age;
cards;
John +35
;
run;
Which values are stored in the output data set?
Answer:
I thought it'd be "John" and "missing value"
anyone else?
Dear Blogger,
If theres other section where you would allow people to post questionsfor open discussion, i'd gladly post couple to question on that section.
If anyone knows a such site, please email me at
passalrighty@gmail.com
THX in advance!.
hi anonymous..
Deleteyour answer is
John 35
you can also cchek it by running this syntax in sas.
Hi! your answer is
DeleteJohn 35
Even I had the same question when I solved the sample questions on sas website. But then realised standard numeric value in sas are positive and negative numbers, scientific notations, decimal numbers. so +32 is numeric value.
Deleteoh btw, i forgot to praise this site.
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ReplyDeleteAny numbers with the sign + or - does as taken as a number , but if it comes with other special character then it does not read as number and will give you a missing value in output.
Find out what are not valid sign for number.
Did I answer you?
Posted 9/9/2012: I want to thank from the bottom of my heart the author of this blog for the effort to set this up for the benefit of fellow SAS-ers.
ReplyDeleteIt was very useful to brush through these questions apart from other material available on the Net. More useful than the Base Prep Guide from SAS! A handful of the questions were from here.
I got my Base Cert done! If there is similar blog for Advanced please post a link here.
Hey congrats on your success. I'll be appearing for test on 11 august, Please tell me If I'm able to solve all these 119 questions then how good are my chances for clearing the actual base sas test?
DeleteIs there any forum like this to prepare for the ADVANCED sas 9 certification? Thanks
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Hey congrats on your success. I'll be appearing for test on 11 august, Please tell me If I'm able to solve all these 119 questions then how good are my chances for clearing the actual base sas test?
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