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Back to Top What are the different files used and produced by SAS and what are they all for? However, since data can be read in many different ways, it is usually more efficient to create data files separate from command files.
SAS data set files can be created so that they exist only as long as SAS is running your current noninteractive submission, or they can be created to be saved and used again during a different submission.You must create the command file using a text editor program, just as with your text data file.As mentioned, the command file can also contain the data.In this SAS SQL Tutorial, we will show you 5 different ways to manipulate and analyze your data using the SAS SQL procedure and PROC SQL SAS.Moreover, we will see the comparisons on how to accomplish the same task with base SAS code are also made throughout the article with some SAS SQL example. The syntax of PROC SQL SAS-PROC SQL: calls the SAS SQL procedure SELECT: specifies the column(s) (variables) to be selected FROM: specifies the table(s) (data sets) to be queried WHERE: subsets the data based on a condition GROUP BY: classifies the data into groups based on the specified column(s) ORDER BY: sorts the resulting rows (observations) by the specified column(s) QUIT: ends the PROC SQL procedure results can be obtained using a SELECT statement.
Note that the "zcat" is specified in lowercase because it is a UNIX system command (UNIX is a case sensitive operating system).