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Oracle Database 12c Security Cookbook

You're reading from   Oracle Database 12c Security Cookbook Secure your Oracle Database 12c with this valuable Oracle support resource, featuring more than 100 solutions to the challenges of protecting your data

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Product type Paperback
Published in Jun 2016
Publisher Packt
ISBN-13 9781782172123
Length 388 pages
Edition 1st Edition
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Authors (3):
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Zoran Pavlovic Zoran Pavlovic
Author Profile Icon Zoran Pavlovic
Zoran Pavlovic
Maja Veselica Maja Veselica
Author Profile Icon Maja Veselica
Maja Veselica
Maja Veselica & Zoran Pavlovic Maja Veselica & Zoran Pavlovic
Author Profile Icon Maja Veselica & Zoran Pavlovic
Maja Veselica & Zoran Pavlovic
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Toc

Table of Contents (13) Chapters Close

Preface 1. Basic Database Security FREE CHAPTER 2. Security Considerations in Multitenant Environment 3. PL/SQL Security 4. Virtual Private Database 5. Data Redaction 6. Transparent Sensitive Data Protection 7. Privilege Analysis 8. Transparent Data Encryption 9. Database Vault 10. Unified Auditing 11. Additional Topics 12. Appendix – Application Contexts

Creating a redaction policy when using partial redaction


In this recipe, you will implement partial redaction on columns of two different types: Number and Varchar2. Partial redaction means that only part (hence the name partial) of the data in a specified column will be masked (redacted), whereas the other part of the data will be visible to the user - for instance, the first 12 digits of credit card number will be redacted, whereas other 4 digits will be visible.

How to do it...

  1. Log in to database as a user who has a DBA role (for instance, zoran):

    $ sqlplus zoran/oracle
    
  2. Create a test table and insert some data in it:

    SQL> create table tbl (a number);
    
    SQL> insert into tbl values (123456);
    
    SQL> insert into tbl values (234567);
    
    SQL> insert into tbl values (345678);
    
    SQL> commit;
  3. Create role (that is going to be used in redaction policy) and user usr1 as the first test user:

    SQL> create role myrole;
    
    
    SQL> create user usr1 identified by oracle1;
    
    
    SQL...
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