Book Image

OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide

Book Image

OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide

Overview of this book

Oracle Database Server is the most widely used relational database in the world today. This book gives you the essential skills to master the fundamentals of Oracle database administration and prepares you for Oracle DBA certification."OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide" prepares you to master the fundamentals of Oracle database administration using an example driven method that is easy to understand. The real world examples will prepare you to face the daily challenges of being a database administrator.Starting with the essentials of why databases are important in today's information technology world and how they work, you are then guided through a full, customized installation of the Oracle software and creating your own personal database. We then examine fundamental concepts of Oracle, including architecture, storage structures, security, performance tuning, networking, and instance management. Finally, we take an in-depth look at some of the most important concepts in the daily life of an Oracle DBA - backup, recovery, and data migration."OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide" provides you with the skills you need in order to become a successful Oracle DBA, both for certification and real life tasks.
Table of Contents (24 chapters)
OCA Oracle Database 11g: Database Administration I: A Real-World Certification Guide
Credits
Foreword
About the Author
About the Reviewer
www.packtpub.com
Preface
Index

Understanding auditing


While the previous sections discussed proactive security measures, such as the granting of permissions and role-based security, there is also a time and a place for retroactive security measures. In the growing field of computer forensics, data collected during an attack becomes invaluable in determining the chain of events involved and learning the extent of the attack. In Oracle, the primary forensic tool available to us is auditing. Auditing is the act of recording a historical chain of events for various operations that take place in the database. Auditing plays an important part in satisfying one of the key principles of computer security. It states that every action that occurs should be traceable to one and only one individual.

Exploring the audit trail

The audit trail contains the list of audited events that take place in the database. The specific characteristics of the audit trail are controlled by the database administrator, and include the details of what...