How to handle NULL (empty fields) and common pitfalls

For those new to data analysis, I will explain how to handle NULL (empty fields), where mistakes are most common in SQL, using concrete examples and results. Understanding NULL will help you solve ...
STAT

‘Null’ research findings aren’t empty of meaning. Let’s publish them

Every medical researcher dreams of doing studies or conducting clinical trials that generate results so compelling they change how diseases are treated or health policy is written. In reality, we are ...
VICE

Having ‘Null’ for a Last Name Kind of Sucks

In the world of computer science, the word “null” means “no value.” That’s not to be confused with zero which means zero, an actual numerical value. To put it another way, null is so valueless that it ...
TechRepublic

10 tricks for handling null values in Microsoft Access

Null values indicate that data is missing or unknown, and if you don’t take steps to handle them, you could wind up with runtime errors or erroneous data. These Access pointers will help you ...
Wall Street Journal

When Your Last Name Is Null, Nothing Works

Nontra Yantaprasert couldn’t wait to take her husband’s shorter and easier-to-pronounce last name. She didn’t know what kinds of problems it would cause. His last name is Null, the same word used by ...