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Oracle Database 12c Backup and Recovery Survival Guide

Oracle Database 12c Backup and Recovery Survival Guide

4.8 (10)
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Oracle Database 12c Backup and Recovery Survival Guide

Oracle Database 12c Backup and Recovery Survival Guide

4.8 (10)

Overview of this book

The three main responsibilities of a successful DBA are to ensure the availability, recoverability, and performance of any database. To ensure the recoverability of any database, a DBA needs to have a strong backup and recovery skills set. Every DBA is always looking for a reference book that will help them to solve any possible backup and recovery situation that they can come across in their professional life. Oracle Database 12c Backup and Recovery Survival Guide has the unique advantage to be a reference to all Oracle backup and recovery options available, making it essential for any DBA in the world. If you are new to Oracle Database, this book will introduce you to the fantastic world of backup and recovery that is vital to your success. If you are an experienced DBA, this book will become a reference guide and will also help you to learn some possible new skills, or give you some new ideas you were never aware about. It will also help you to easily find the solution to some of the most well known problems you could find during your career as a DBA. This book contains useful screenshots, scripts, and examples that you will find more than useful. Most of the books currently available in the market concentrate only on the RMAN utility to backup and recovery. This book will be an exception to the rule and will become a must-have reference, allowing you to design a real and complete backup and recovery strategy. It covers the most important topics on Oracle database such as backup strategies, Nologging operations, new features in 12c, user managed backups and recoveries, RMAN (including reporting, catalog management, troubleshooting, and performance tuning), advanced data pump, Oracle Enterprise Manager 12c and SQL Developer. "Oracle Database 12c Backup and Recovery Survival Guide" contains everything a DBA needs to know to keep data safe and recoverable, using real-life scenarios.
Table of Contents (22 chapters)
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Oracle Database 12c Backup and Recovery Survival Guide
Credits
About the Author
Acknowledgement
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Data masking


In many organizations (I hope so), the DBAs have the obligation for a security and compliance purpose to mask (scramble) all sensible information that leaves the production environment; as an example, when refreshing or creating a QA/TEST or DEV environment. To help us to address those requirements, we could use the Enterprise Manager Data Masking Pack (Remember it is an extra pack, and consequently you need to pay extra to be able to use it. This pack allows you to make use of premade masking templates and executes the process for you.) or as a different approach, use the REMAP_DATA parameter available in Data Pump to help us with this requirement.

Note

The REMAP_DATA parameter was introduced within Oracle 11g!

Let's use the classic SSN (Social Security Number) example to illustrate how it works:

  1. In the previous chapter, we created a table named EMPLOYEE with three records. We would use this table to run our data masking scenario shown as follows:

    SQL> SELECT * FROM test.employee...

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