October 2019
Intermediate to advanced
430 pages
19h 4m
English
Content preview from SAS Certified Professional Prep Guide
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The ORDER BY Clause
A Brief Overview
The order of rows in
the output of a PROC SQL query cannot be guaranteed, unless you specify
a sort order with the ORDER BY clause. Specify the keywords ORDER
BY, followed by one or more column names separated by commas.
Figure 1.1 SORT Methods for ORDER BY
Without an ORDER BY
clause, the order of the output rows is determined by the internal
processing of PROC SQL, the default collating sequence of SAS, and
your operating environment. Therefore, if you want your result table
to appear in a particular order, use the ORDER BY clause. Here are
details about sort order:
-
The PROC SQL default sort ...
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