Oracle 1Z0-497 Exam - Topic 1 Question 109 Discussion

Actual exam question for Oracle's 1Z0-497 exam

Question #: 109
Topic #: 1

[All 1Z0-497 Questions]

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 => '(\d\d\d)(\d\d)(\d\d\d\d)',

regexp_replace_string => 'XXXXX\3',

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?

AThey 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.

BThey 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.

CThey find a pattern of nine digits and display the digits as XXXXX XX XXXX.

DThey find a pattern of nine digits and display the first five digits as XXXXX and the last four digits as 3333.

Show Suggested Answer

Suggested Answer: A

http://docs.oracle.com/database/121/ASOAG/redaction_features.htm#ASOAG925

by Kent at Dec 10, 2024, 07:52 AM

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Catina

4 months ago

I think it’s a bit misleading, it doesn’t just replace all digits.

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Daniel

4 months ago

Option A is definitely the right choice here!

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Lavera

4 months ago

Wait, are we sure it captures all nine digits correctly?

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Ligia

4 months ago

Totally agree, it replaces with XXXXX and keeps the last four!

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Veronika

5 months ago

The regexp_pattern is looking for nine digits.

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Ronald

5 months ago

From what I recall, the pattern captures three groups, and the replace string uses the last group. So, I think option A sounds correct.

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Nida

5 months ago

I’m a bit confused about the specifics of the regexp_replace_string. Does it really just keep the last four digits?

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Eliz

5 months ago

I remember practicing a similar question where we had to identify how regex patterns worked. I think this one replaces the first part with XXXXX and keeps the last four digits.

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Latricia

5 months ago

I think the regexp_pattern is looking for nine digits, but I'm not entirely sure how the groups are defined.

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Melda

5 months ago

This seems like a good opportunity to apply my knowledge of regular expressions. I'm feeling pretty confident I can figure out what the parameters are doing and select the right answer.

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An

5 months ago

I'm a bit confused by the different parameters and how they all work together. I'll need to re-read the question carefully and maybe look up some examples of DBMS_REDACT usage to make sure I understand this properly.

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Mozell

5 months ago

Okay, let me break this down step-by-step. The regexp_pattern is looking for a 9-digit number, and the regexp_replace_string is replacing the first 5 digits with "XXXXX" and keeping the last 4 digits. I think I've got it.

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Glory

5 months ago

Hmm, I'm a little unsure about the regular expression syntax here. I'll need to review that before I can confidently answer this.

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Cherry

6 months ago

This looks like a pretty straightforward question. I think I can handle this one.

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Yolande

1 year ago

Haha, 'Redacts customer IDs' - I bet the developers had a fun time coming up with this one. At least they're trying to protect customer privacy, even if the implementation could use some work.

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Emerson

1 year ago

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.

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Latrice

1 year ago

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.

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Shawna

1 year ago

Haha, 'Redacts customer IDs' - I bet the developers had a fun time coming up with this one. At least they're trying to protect customer privacy, even if the implementation could use some work.

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Dorthy

1 year ago

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Julio

1 year ago

I'm not sure the replace string is quite right - it seems to just append the last 4 digits instead of replacing the whole thing. But the overall approach makes sense for redacting sensitive info.

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Hollis

1 year ago

User3: Yeah, it's important to redact sensitive info properly.

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Howard

1 year ago

User2: I agree, it seems like the most logical choice.

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Mi

1 year ago

User1: I think option A is correct. It breaks the digits into groups and replaces them with XXXXX.

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Socorro

1 year ago

Option A is correct because it breaks the nine digits into three groups and replaces them with XXXXX concatenated with the last four digits.

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Annice

1 year ago

I'm not sure about this. Can someone explain why option A is the correct choice?

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Irma

1 year ago

The regex pattern and replace string are definitely designed to mask the customer IDs. Looks like they're breaking up the 9-digit ID into groups and replacing most of it with Xs. Clever way to preserve some of the original data.

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