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Lex de Haan

Lex de Haan studied applied mathematics at the University of Technology in Delft, the Netherlands. His experience with Oracle goes back to the mid-1980s, version 4. He worked for Oracle Corporation from 1990 to 2004 in various education-related roles, ending up in Server Technologies (product development) as senior curriculum manager for the advanced�database administration�curriculum. In that role, he was involved in the development of Oracle9i and Oracle Database 10g. In March 2004, he decided to go independent and founded Natural Join B.V. (http://www.naturaljoin.nl). From 1999 until his passing in 2006, he was involved in the ISO SQL language standardization process, as a member of the Dutch national body. He was also one of the founding members of the OakTable network (http://www.oaktable.net).

Lex de Haan's Books

Mastering Oracle SQL and SQL*Plus

Mastering Oracle SQL and SQL*Plus

  • Publication Date: January 3, 2005
  • ISBN13: 978-1-59059-448-3

This exceptional book explains fundamentals in detail, supported by realistic examples, while most other books on the market do not properly cover such basics. Learn More …

Applied Mathematics for Database Professionals

Applied Mathematics for Database Professionals

  • Publication Date: June 18, 2007
  • ISBN13: 978-1-59059-745-3

Applied Mathematics for Database Professionals introduces you to the logic and set theory that underlies relational database technology. Learn More …

Applied Mathematics for Database Professionals - Print

Applied Mathematics for Database Professionals - Print

  • Publication Date: June 18, 2007
  • ISBN13: 978-1-59059-745-3

Applied Mathematics for Database Professionals introduces you to the logic and set theory that underlies relational database technology. Learn More …

Applied Mathematics for Database Professionals - Print

Applied Mathematics for Database Professionals - Print

  • Publication Date: December 15, 2011
  • ISBN13: 978-1-4302-4284-0

Applied Mathematics for Database Professionals introduces you to the mathematics, including logic and set theory, that underlies relational database technology. Learn More …