Why do they hate us and do not provide any illustrative real-life example without using algebraic notation? Is it even possible?

I just want to see a CREATE TABLE statement, and some illustrative SELECT statements. The standard examples always give just the dataset, but dataset examples are often ambiguous.

> (in its joins)

Do you understand what are "its" joins? What is even "it" here.

I'm super frustrated. This paper is 14 years old.