Oracle Database Administrator with over 15 years of experience managing large-scale infrastructures and advanced Oracle technologies, including Active Data Guard, Oracle RAC, GoldenGate and Exadata. Working as Oracle DBA since version 8i, focused on performance tuning and high availability. Passioned for high availability architecture, I worked in big companies in Brazil and Europe, managing large databases with millions of transactions and terabytes of data. Articles blog writer since 2013.