Book Image

Oracle Database 12c Backup and Recovery Survival Guide

Book Image

Oracle Database 12c Backup and Recovery Survival Guide

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)
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 Pump's new features and enhancements


Now is the time to take a closer look at some of the new features and enhancements of Data Pump introduced in this database version on Data Pump. Data Pump will be covered in detail in Chapter 9, Understanding Data Pump and Chapter 10, Advanced Data Pump.

Disabling LOGGING on Data Pump Import

A new feature of Data Pump introduced with Oracle 12c has the possibility to disable logging generation during an import operation, allowing us to have faster imports due that the redo log information is not written to the disk or even archived. This is particularly useful for large data loads such as database migrations.

Tip

When making use of a NOLOGGING option, always perform a full RMAN backup after the NOLOGGING operation is completed.

This new feature is now possible due to the introduction of a new metadata TRANSFORM parameter called DISABLE_ARCHIVE_LOGGING; It can be used on the impdp command line or even when using the DBMS_DATAPUMP.METADATA_TRANSFORM PL...