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Rafael Victória-PereiraRafael Victória-Pereira has more than 16 years of IBM i experience, as a programmer, analyst, and manager. Over that period, he has been an active voice in the IBM i community, encouraging and helping programmers transition to ILE and free-format RPG. Rafael has written more than 50 technical articles about topics ranging from interfaces--the topic for his first book Flexible Input, Dazzling Output with IBM i--to modern RPG and SQL, in his popular RPG Academy and SQL 101 series on He writes in an easy-to-read, practical style that's highly popular with his audience of IBM technology professionals. Rafael currently works as an Enterprise Architect at the Luis Simoes Group in Portugal. His areas of expertise include programming in the IBM i native languages (RPG, CL, and DB2 SQL) and "modern" programming languages, such as C# and Python, as well as project management and consultancy.