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Here's an article which may have flown under your radar if you only watch developerWorks Rational. This one comes to you from the developerWorks IBM i Technical Library and covers some great technical details covering database modernization from DDS to SQL with Rational Open Access: RPG Edition:
Moving from a DDS to SQL database on DB2 for i can be accomplished without changing a single line of program code or recompiling a program. Converting a program to use advanced SQL techniques involved extensive program modifications or total rewrites, until now. With the addition of Rational Open Access: RPG Edition, advanced SQL coding techniques can be utilized by adding as little as 1 line of code to an existing RPG program. In this article I will describe how to use Rational Open Access: RPG Edition to take advantage of advanced data centric programming techniques only available via SQL programming.
About the Author: Daniel R. Cruikshank, Senior Consultant, IBM
Dan has over 39 years experience in the IT industry, predominantly IBM Rochester systems and RPG. Dan also has over 20 years of SQL experience. He currently teaches DB2 for i Optimization and Data Centric Programming techniques utilizing embedded SQL. Dan specializes in application performance troubleshooting and database reengineering.