Mastering Oracle SQL and SQL*Plus

by deHaan, Lex., deHaan, Lex.
Published 2005

Applied Mathematics for Database Professionals

by deHaan, Lex., deHaan, Lex., Koppelaars, Toon.
Published 2007

Beginning Oracle SQL

by deHaan, Lex., deHaan, Lex., Morton, Karen., Gorman, Tim., Jorgensen, Inger., Fink, Daniel., Morton, Andrew.
Published 2010

Beginning Oracle SQL For Oracle Database 12c /

by Gorman, Tim., Gorman, Tim., Jorgensen, Inger., Caffrey, Melanie., deHaan, Lex.
Published 2014