Can Data Masking support dependent column definition between instances

Hi,
The customer is trying to conduct an POC of Data Masking,one requirement is supporting "dependent column" definition between oracle databases.
I know it's ok within an database,but no idea about between serveral databases.
Do you have any advice.
Thanks a lot.
Kelvin

I guess using a databaselink might do the job.
Regards
Rob

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Folks,
We have a business need, where we need to mask (hide) a particular column in the table in a NON-PROD environment, but still be able to search on that column with a valid value.
So say, I have column A,B,C in a table called TEST, column B is varchar2
I need to be able to do run the following query:
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I don't understand you.
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Hi,
I create a table with column called "Direction of Travel code ".
The travel codes in the functional spec are numbers.
In the column definition which one is efficient to define the data type as number or varchar?
Code
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tijmen wrote:
Tubby wrote:
And then when you issue a query and ask for travel codes 2 through 10 the CBO can't determine that there are 8 values (cardinality wise) because you're not storing the data type in the format you should be storing it as. Statistics? Perhaps even histograms?
Simple testcase:
create table t1(x number(1)) as select mod(rownum, 10) from all_objects where rownum <= 100;
create table t2(x varchar2(1)) as select to_char(mod(rownum, 10)) from all_objects where rownum <= 100;
exec dbms_stats.gather_table_stats(user, 'T1', method_opt => 'FOR ALL COLUMNS SIZE 1');
exec dbms_stats.gather_table_stats(user, 'T2', method_opt => 'FOR ALL COLUMNS SIZE 1');Tried a few simple statements against those (where x = N, where x between N and M), using either literals or bind values. I didn't see any difference in the explain plan...
Not to mention what happens when someone decides to put an "A" in your travel code that should be only numbers, it will eventually happen.Yes, and that's an input error that should be caught by a database constraint (and possibly even before that by the application). Who knows, the codes 0 and 5 might become obsolete as well with changing business rules. Your number datatype is not going to protest when someone still uses them. Hey, maybe even tomorrow someone from the business will come in and demand for the codes 'a' to 'd' to be created. Histograms, application code and database constraints (which all have side effects and add complexity to the system) as opposed to declaring the data type as a NUMBER (which it is). Doesn't seem like a really good argument for intentionally choosing the wrong data type. Well, at least you didn't suggest a trigger in there as well.
>
I'm not saying you should use a char type instead of a number. I'm saying I doubt there's much difference as far as the database is concerned, and I would base the decision on how it works out on the application and business side.As you've found out, the OP stated the functional specs define this as a number. IF in the future the specs change and a business analyst mandates that this support characters as well then the data type gets changed to support the new requirement, no database constraints to remove, no application code to remove, etc...

EM12C | Data Masking | How to make my column sensitive

Hello All,
EM : 12c
DB: 11.2.0.3
I have a table with column "Salary" and after doing the 'Data Discovery and Modelling' on my schema i do not see Oracle has identified by column as "Sensitive".
How do i make it sensitive so that i can "mask" it ?
TIA,
JJ

Steps for data masking feature in 12c Cloud Control(12.1.0.1):
Creating only a masking definition does not protect data. You need to first create the definition, which defines the columns to be masked, then proceed with the actual masking to ensure data safety.
Each masking definition requires one or more formats, which define the format used to mask the selected data. You can create the formats before or after creating the masking definition.
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    - Data Masking does not support clustered tables, masking information in object tables, XML tables, virtual columns, and so forth. However, relational tables are supported for the masking.
    - If objects are layered on top of a table such as views, materialized views, PL/SQL, and so forth, they are recompiled to be valid.
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1. Login to 12c Cloud Control
2. Expand the Enterprise drop down menu
3. select Quality Management, then Data Masking Formats
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         Name: Name of the Format
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         Description: Description of Format
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1. Login to 12c Cloud Control
2. Expand the Enterprise drop down menu
3. select Quality Management, then Data Masking Definitions
4. Click on "Create" to go to the Create Masking Definition page
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         Reference Database: Provide required database name
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c. Performing the Masking Operation
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For more details, refer the following document:
http://docs.oracle.com/cd/E11882_01/server.112/e16540/tdm_data_masking.htm#CEGBFFDJ
Oracle® Database Real Application Testing User's Guide
Chapter 15: Masking Sensitive Data
HTH
Mani

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<![CDATA[ 1=1 ]]>
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Perfect would be if we can choose the type of masking "Redaction/Data Masking" in the preferences and the properties of "Masking Type" and "Mask Template" properties would match the choosed type of masking.(i assume they can be found somewhere in the SYSTEM data dictionary)
Besides the present properties there exists many others for "Data Masking Pack" like Start/End, ...
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Hello,
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Paul
Paul Mather | Twitter |
http://pwmather.wordpress.com | CPS |
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Can Data Masking support dependent column definition between instances

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