||Michael Rosenblum is a Software Architect/Development DBA at Dulcian, Inc. where he is responsible for system tuning and application architecture. Michael supports Dulcian developers by writing complex PL/SQL routines and researching new features. He is the co-author of "PL/SQL for Dummies" (Wiley Press, 2006), "PL/SQL Performance Tuning Tips & Techniques" (Oracle Press, 2014), contributing author of "Expert PL/SQL Practices" (APress, 2011), and author of a number of database-related articles (IOUG Select Journal, ODTUG Tech Journal) and conference papers. Michael is an Oracle ACE, a frequent presenter at various Oracle user group conferences (Oracle OpenWorld, ODTUG, IOUG Collaborate, RMOUG, NYOUG, etc.), and winner of the ODTUG Kaleidoscope 2009 Best Speaker Award.