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This Week @ the MC Press Bookstore

December 2, 2009 | Vol 8 Issue 23

 

In This Issue:

 

Feature Article - Programming
 
Practical SQL: Monitor Changes by Accessing Journals with SQL

One of the nicest features of DB2 on the IBM i is the integrated journaling. This article shows you how to use SQL and journaling together.

joe_plutaWritten by Joe Pluta

Journaling has been an integral part of the DB2 database since long before it was called the DB2 database. In fact, journaling predates the IBM i and even the AS/400; journaling was introduced on the System/38 way back in the days of cave computers. Journaling provides a number of important capabilities, including commitment control and high availability, but in this article, I'm going to stick to one of the most basic features of journaling: change logging.


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Feature Article - Programming
 
Simplify Encryption with the Use of RPG Reusable Procedures

Secure your data using encryption/decryption APIs within RPG.

tom_snyderWritten by Tom Snyder

The encryption/decryption APIs can be difficult to work with, so let's create some procedures to simplify all of the details of the initialization and data structures. We'll create the functionality that we are really looking for through the simplicity of reuse!


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