1 Quiz #2 – NULL in Aggregate Functions

Hello again! It’s due time to provide the answers for my second quiz – the one about NULL in aggregate functions.

In this particular quiz, it wasn’t the point to pick the correct choices, but rather figure out what will be the result of running each of the SELECTs. Czytaj dalej →

Impact of NULL in Aggreaget Functions

Aww. So dusty in here. Where have I been for the past seven months?!

Either way, it’s that time. Yep, you know what I mean – it’s the QUIZ TIME!

I’ve got a new quiz for you today:

What will be the result of running each of the SELECTs? Czytaj dalej →