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SAS Complete Course / Merging & Reshaping

UPDATE statement

Learn UPDATE statement in SAS through the exact construct, a dedicated example, a boundary case, and a mastery check.

12 min read • Intermediate

UPDATE statement is an atomic SAS lesson inside Merging & Reshaping. The example uses the specific syntax, command, API, instruction, or language rule named by this lesson.

Study the construct itself, then change one relevant input and predict the result before running it. That keeps this lesson focused on UPDATE statement rather than on generic SAS syntax.

Topic-specific example

sas-06-05.sas
sas Try It Live
data work.master; update work.master work.changes; by id; run;
Edge case / engineering note

For UPDATE statement, inspect the SAS log as well as the output data set; type conversion, missing values, and BY-group ordering can change results without stopping execution.

Content source & attribution
Original Syntaxis Content · Original Syntaxis Content