Summary
Statements
UPDATE master-SAS-data-set transaction-SAS-data-set;
BY identifier-list;
The UPDATE statement
replaces the values of variables in one SAS data set with nonmissing
values from another SAS data set. Master-SAS-data-set is
the SAS data set that contains information that you want to update. Transaction-SAS-data-set is
the SAS data set that contains information for updating the master
data set.
Identifier-list in
the BY statement is the list of BY variables by which you identify
corresponding observations.
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