Carlos Sierra 
United States
Database Management & Performance
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Carlos Sierra is the author of several popular tools in the space of Oracle Performance. His most popular creation is the SQL Tuning tool: SQLTXPLAIN. Other tools he has developed include the Trace Analyzer (TRCANLZR) and the SQL Health-Check (SQLHC). More recently, Carlos has provided to our Oracle community with EDB360 and EADAM. Developing tools and practicing SQL Tuning are his hobbies and passion. Carlos has over 18 years of Oracle experience, and he has been exposed to the Database, EBS, Siebel and PeopleSoft. Carlos is a Developer, a DBA and an Architect. His preferred development tool these days is PL/SQL. For Carlos, learning and sharing are equally important. He enjoys keeping up with technology, and delivering seminars, courses, workshops, speaking at conferences and mentoring. A couple of Carlos special mottos: "Life is Good!" and "Question Everything!".
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carlos sierra - oracle