Examine the command below:
BEGIN DBMS_REDACT.ADD_POLICY
( object_schema => ‘mavis’,
object_name => ‘cust_info’,
column_name => ’emp_id’,
policy_name => ‘redact_cust_ids’,
function_type => DBMS_REDACT.REGEXP,
expression => ‘1=1’,
regexp_pattern => ‘(ddd)(dd)(dddd)’,
regexp_replace_string => ‘XXXXX3’,
regexp_position => 1,
regexp_occurrence => 0,
regexp_match_parameter => ‘i’,
policy_description => ‘Redacts customer IDs’,
column_description => ’emp_id contains employee ID numbers’);
END;
/
What do the regexp_pattern and regexp_replace_string parameters accomplish?
A. They find a pattern of nine digits; break the digits into three groups that contain the first three, the next two and then the last four digits; and replace all digits with XXXXX concatenated with the last four digits.
B. They find a pattern of six digits; break the digits into two groups that contain the first five, and then the last digit; and replace all digits with XXXXX concatenated with the last digit.
C. They find a pattern of nine digits and display the digits as XXXXX XX XXXX.
D. They find a pattern of nine digits and display the first five digits as XXXXX and the last four digits as 3333.
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