updates an extended attribute for a variable. If the variable and extended attribute
combination is not found, an error message is written to the SAS log.
Details
To make changes to an existing extended attribute, use the XATTR UPDATE statement.
If you try to update an extended attribute that does not exist, an error is written to the
SAS log.
Using the DATASETS Procedure
Using Passwords with the DATASETS Procedure
Several statements in the DATASETS ...
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