Scott Urman (Foster City, CA) is a senior member of the diagnostic and defect technical staff in the Language Group of Oracle Support Services, where he aids users of Oracle's various language products (PL/SQL, OCI, and the Oracle precompilers). In addition, he reviews Oracle technical documentation, writes white papers on Oracle languages, and makes technical presentations both inside Oracle and at meetings of Oracle User's Groups. Scott is the best-selling author of Oracle Press' Oracle PL/SQL Programming and Oracle8 PL/SQL Programming.
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Michael McLaughlin, Oracle ACE (Rexburg, ID) is a professor at BYU – Idaho in the Computer Information Technology Department of the Business and Communications School. He is the author of Oracle Database 12c PL/SQL Programming, MySQL Workbench, and several other Oracle Press books.John Harper (Lehi, UT) is a principal database engineer for the Church of Jesus Christ of Latter-day Saints and the co-author, with Michael McLaughlin, of Oracle Database 11g PL/SQL Programming Workbook.