Book Image

Oracle Database 12c Security Cookbook

By : Zoran Pavlovic, Maja Veselica
Book Image

Oracle Database 12c Security Cookbook

By: Zoran Pavlovic, Maja Veselica

Overview of this book

Businesses around the world are paying much greater attention toward database security than they ever have before. Not only does the current regulatory environment require tight security, particularly when dealing with sensitive and personal data, data is also arguably a company’s most valuable asset - why wouldn’t you want to protect it in a secure and reliable database? Oracle Database lets you do exactly that. It’s why it is one of the world’s leading databases – with a rich portfolio of features to protect data from contemporary vulnerabilities, it’s the go-to database for many organizations. Oracle Database 12c Security Cookbook helps DBAs, developers, and architects to better understand database security challenges. Let it guide you through the process of implementing appropriate security mechanisms, helping you to ensure you are taking proactive steps to keep your data safe. Featuring solutions for common security problems in the new Oracle Database 12c, with this book you can be confident about securing your database from a range of different threats and problems.
Table of Contents (18 chapters)
Oracle Database 12c Security Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface

Creating and using definer's rights procedures


In this recipe, you'll learn to create and use definer's rights procedures.

Getting ready

To complete this recipe, you'll use a user who has a DBA role.

How to do it...

  1. Connect to the database as a user with the DBA role (for example, zoran)

    SQL> connect zoran
    
  2. Create two users (procowner and procuser) and grant them appropriate privileges:

    SQL> create user procowner identified by oracle1;
    SQL> create user procuser identified by oracle2;
    SQL> grant create session, create procedure to procowner;
    SQL> grant create session to procuser;
    
  3. Create a table called zoran.tbl and grant users privileges on this table:

    SQL> create table zoran.tbl(a number, b varchar2(40));
    SQL> insert into zoran.tbl values(1, 'old_value');
    SQL> commit;
    SQL> grant select on zoran.tbl to procuser;
    SQL> grant update on zoran.tbl to procowner;
    
  4. Connect as a user, procowner, create a procedure to update table zoran.tbl, and grant execute on this procedure...