This publication covers modern IBM i development practices including RPG modernization with free-format syntax and ILE modularity, data-centric programming with SQL table definition and database design, database re-engineering strategies, character encoding and CCSID fundamentals, test-driven development with automation, and performance optimization tools for Db2 for i. The content addresses developers and technical professionals working with IBM i systems, providing practical guidance on modernizing legacy applications, implementing data-centric architectures, ensuring proper character encoding, establishing automated testing frameworks, and optimizing database performance through systematic analysis and index management.

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