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vpd column masking

edited Apr 7, 2011 6:32PM in Database Security Products (MOSC) 6 commentsAnswered
 I have a datawarehouse where we are employing column masking on SSN using sec_relevant_cols_opt => DBMS_RLS.ALL_ROWS).

This works fine.

I'm wondering if its possble to instead of NULLing the sensitive column, set a literal (i.e. "Restricted"), or use a string function to display only the last 4 digits of the SSN.

Anyone do this ?

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