Comments and questions from readers...
Hi,
I find the SQL website to be really helpful, and I am gaining a lot of insight. However, it seems like the nested select doesn't work, even when I try running the example. Hopefully, I make you aware of this glitch.
Sincerely,
Rachmad Tjachyadi
Andrew responds explaining why this happens and what we can do about it.
I am learning Sql using your tutorial and I thank you for it. It is
extremely easy to use. I believe your answer to 2b is wrong. You only
count countries with a population of 10 million. If a region has no
countries of 10 million, that region is not listed. It should be listed
with a count of zero. I'm having trouble coming up with that answer.
Bob Brooks
San Diego, Ca