Leo Hsu is co-principal of Paragon Corporation, a database consulting company based in Boston. He has over 25 years of professional experience developing and thinking about databases for organizati...показать большеLeo Hsu is co-principal of Paragon Corporation, a database consulting company based in Boston. He has over 25 years of professional experience developing and thinking about databases for organizations large and small. He also holds a lectureship at Tufts University, teaching SQL to graduate level students. He has coauthored several database books with his wife Regina Obe.показать меньше