One of the trickiest aspects of relational database management can be dealing with missing information. The standard method of representing missing information is to set the “value” to null. A null ...

Learn the differences between Is Null and IsNull() in Access Your email has been sent How many null values exist? What is the difference between a null value and a blank entry? This article answers ...

It's time to meet the Guideline Support Library, a small helper library that provides some missing functionality. I'll show you how to ensure a pointer is never null, which will make your applications ...

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 ...