Answer Posted / lavanya

the difference between set and merge is
set concatenates the data sets where as merge matches the
observations of the data sets.

How does proc sql work?

1025

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What are the five ways to do a table lookup in sas? : sas-grid-administration

993

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Explain the difference between informat and format with an example.

1112

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What is the command used to find missing values?

1036

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Differentiate between sas functions and sas procedures.

1145

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Differentiate between proc means and proc summary.

997

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What are the differences between proc means and proc summary?

1065

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What is the difference between reading data from an external file and reading data from an existing data set?

1121

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Why double trailing @@ is used in input statement?

1149

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Explain data_null_?

1002

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What is slibref?

1211

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What are the data types in sas?

1001

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What would be the result of the following SAS function (given that 31 Dec, 2000 is Sunday)?

1098

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How would you define the end of a macro?

1039

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how to remove duplicates using proc sql?

1090

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