Yes! Now it makes sense. I couldn't grasp the Intermediate Level and it's use.

Danke!

Thank you for the response. I read the 2nd article and I notice that in your diagram you have

1

4

13

for the Intermediate Level. And like your last...

I'm an extreme Newbie and I'm trying to clarify my own understanding of indexes. You mentioned that,

"The non-leaf levels of the index contain one row per page of...