Null means "undefined" in SQL, so numerous online services don't think Christopher Null exists. ... "Allowing NULL values makes you work extra hard to get the kind of data you are looking for.

Null pointer exceptions are no fun. You can avoid them and keep your code clean and maintainable by using these techniques to elegantly handle null values in C#.

One of the trickier aspects of application development is dealing with null or nonexistent data. Tony Patton takes a closer look at null values in the .NET framework.

Don't let Null values derail your formulas. See how to use the NZ function to convert the values to zeroes. You’ve created a query that calculates an invoice total by adding the order total and ...