IS NULL and IS MISSING are used in the WHERE, ON, and HAVING expressions. Each predicate resolves to true if the sql-expression's result is missing and false if it is not missing. SAS stores a numeric ...

So I have a method:<BR><BR><pre class="ip-ubbcode-code-pre">int Foo()</pre><BR><BR>It either returns a value if successful or NULL if not. If I'm not mistaken, if I ...