What is corresponding of Oracle/Db2 Coalesce Function

Question

What is the corresponding of Oracle/Db2 Coalesce Function within Sybase?

Answer 1

When all the expressions are null and coalesce returns null

Uses: coalesce (expression, expression [, and expression]...)

Illustration: coalesce (initialqty, finalqty and middleqty)

Returns the first incidence of a non-NULL value in either finalqty or initialqty or middleqty.