Welcome to Part 3 in my on-going blog series on The Most Misunderstood Features of DB2. You can find the first two parts here: Part 1 (on ...

NULLs are one of the more controversial things that a DB2 professional has to deal with. And I do mean HAS to deal with.  Because o...

There are many different types of development mistakes that can be made when you are coding a complex application system. But probably the ...

After publishing the last blog post here on the topic of pesky problems that crop up when dealing with nulls, I received a comment lamenting...

A null represents missing or unknown information at the column level. A null is not the same as 0 (zero) or blank. Null means no entry has b...