|Oracle9i OLAP Services Developer's Guide to the OLAP DML
Release 1 (9.0.1)
Part Number A86720-01
Working with Expressions, 8 of 14
A function is a predefined calculation that returns a value. A number of built-in functions are provided, including:
You can use a function wherever you need to use an expression in a command or function, or even within another expression. To include a function in an expression, specify the name of the function followed by its arguments enclosed in parentheses.
In addition to using the predefined OLAP DML functions, you can define a program that behaves like a function by returning a value.