It either returns a value if successful or NULL if not. If I'm not mistaken, if I try something like: and Foo() returns NULL, then my program will throw an exception. Is there an easy way to test if ...

Take advantage of the null object pattern in .NET to eliminate the need for null checks and avoid runtime errors in your applications. You might often encounter null reference exceptions in your ...

In this SQL Server tip, Arthur Fuller explains the effects of NULLs, and the different results obtained by inner and outer JOINs. SQL Server developers must understand two things: the difference ...