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  • Book Overview & Buying Oracle 11g Anti-hacker's Cookbook
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Oracle 11g Anti-hacker's Cookbook

Oracle 11g Anti-hacker's Cookbook

By : Adrian Neagu
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Oracle 11g Anti-hacker's Cookbook

Oracle 11g Anti-hacker's Cookbook

5 (5)
By: Adrian Neagu

Overview of this book

For almost all organizations, data security is a matter of prestige and credibility. The Oracle Database is one of the most rich in features and probably the most used Database in a variety of industries where security is essential. To ensure security of data both in transit and on the disk, Oracle has implemented the security technologies to achieve a reliable and solid system. In Oracle 11g Anti-Hacker's Cookbook, you will learn about the most important solutions that can be used for better database security."Oracle 11g Anti-hacker's Cookbook" covers all the important security measures and includes various tips and tricks to protect your Oracle Database."Oracle 11g Anti-hacker's Cookbook" uses real-world scenarios to show you how to secure the Oracle Database server from different perspectives and against different attack scenarios. Almost every chapter has a possible threads section, which describes the major dangers that can be confronted. The initial chapters cover how to defend the operating system, the network, the data and the users. The defense scenarios are linked and designed to prevent these attacks. The later chapters cover Oracle Vault, Oracle VPD, Oracle Labels, and Oracle Audit. Finally, in the Appendices, the book demonstrates how to perform a security assessment against the operating system and the database, and how to use a DAM tool for monitoring.
Table of Contents (16 chapters)
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Oracle 11g Anti-hacker's Cookbook
Credits
Foreword
About the Author
About the Reviewers
www.PacktPub.com
Preface
1
Index

Using session-based application contexts


The structure of a context consists of a namespace and the associated values it contains. The namespace or name is used for accessing the context's individual attributes, and their associated values held in memory. A namespace can be represented as an associative array with a name-type organization. The initialization of application contexts is performed using a PL/SQL package used in their definition. Generally application contexts are used in VPD implementations to retrieve session information to allow or to block access to certain data.

Next, we will create a locally initialized context type, using a package containing a procedure that initializes a value from the context. The values will be generated using a logon trigger. Next, we will define a view based on the returning value from the context.

Getting ready

All steps in this recipe will be performed on the database HACKDB.

How to do it...

  1. Create a view named VIEW_REG_DATA in the HR schema, based...

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