Is there any file in an Oracle installation that provides the declarations to the built-in functions? For example, I'd like to see how functions like CEIL are declared, and whether they are overloaded to accept the newly-supported, IEEE-754 floating-point types as input. Best regards, Jonathan Gennick --- Brighten the corner where you are http://Gennick.com * 906.387.1698 * mailto:jonathan@xxxxxxxxxxx Join the Oracle-article list and receive one article on Oracle technologies per month by email. To join, visit http://five.pairlist.net/mailman/listinfo/oracle-article, or send email to Oracle-article-request@xxxxxxxxxxx and include the word "subscribe" in either the subject or body. -- //www.freelists.org/webpage/oracle-l