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John Viescas

Michael J. Hernandez has been an independent relational database consultant specializing in relational database design. He has over twenty years of experience in the technology industry, developing database applications for a wide variety of clients. He’s been a contributing author to a wide array of magazine columns, white papers, books, and periodicals, and is coauthor of the best-selling SQL Queries for Mere Mortals, Second Edition (Addison-Wesley, 2008). Mike has been a top-rated technical trainer for the government, the military, the private sector, and companies throughout the United States. He has consistently been a noted speaker and presenter at both national and international conferences.

John L. Viescas is an independent database consultant with more than forty years of experience. He began his career as a systems analyst, designing large database applications for IBM mainframe systems. He spent six years at Applied Data Research in Dallas, Texas, where he directed a staff of more than thirty people and was responsible for research, product development, and customer support of database products for IBM mainframe computers. While working at Applied Data Research, John completed a degree in business finance at the University of Texas at Dallas, graduating cum laude. You can visit John’s Web site at www.viescas.com or contact him by e-mail at john@viescas.com.